Home / 63,343.48-87,400.27-40,382

Finding the Fourth Proportional to 63,343.48, 87,400.27 and 40,382

Calculator

Solution

The fourth proportional to 63,343.48, 87,400.27 and 40,382 is: 55,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,343.48 : 87,400.27 = 40,382 : x
  2. Step 2: Convert to fraction form
    63,343.48/87,400.27 = 40,382/x
  3. Step 3: Cross multiply
    63,343.48x = 87,400.27 × 40,382
  4. Step 4: Simplify right side
    63,343.48x = 3,529,397,703.14
  5. Step 5: Solve for x
    x = 3,529,397,703.14/63,343.48
  6. Step 6: Final answer
    x = 55,718.41

Related Problems

Find fourth proportional to 31,671.74, 43,700.14 and 20,191
Half scale
Find fourth proportional to 126,686.96, 174,800.54 and 80,764
Double scale
Find fourth proportional to 63,344.48, 87,401.65 and 40,383
Similar ratio
Find fourth proportional to 95,015.22, 131,100.41 and 60,573
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.