Home / 37,089.76-55,640.40-12,460

Finding the Fourth Proportional to 37,089.76, 55,640.40 and 12,460

Calculator

Solution

The fourth proportional to 37,089.76, 55,640.40 and 12,460 is: 18,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,089.76 : 55,640.40 = 12,460 : x
  2. Step 2: Convert to fraction form
    37,089.76/55,640.40 = 12,460/x
  3. Step 3: Cross multiply
    37,089.76x = 55,640.40 × 12,460
  4. Step 4: Simplify right side
    37,089.76x = 693,279,384
  5. Step 5: Solve for x
    x = 693,279,384/37,089.76
  6. Step 6: Final answer
    x = 18,691.94

Related Problems

Find fourth proportional to 18,544.88, 27,820.20 and 6,230
Half scale
Find fourth proportional to 74,179.52, 111,280.80 and 24,920
Double scale
Find fourth proportional to 37,090.76, 55,641.90 and 12,461
Similar ratio
Find fourth proportional to 55,634.64, 83,460.60 and 18,690
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.