Home / 41,634.78-57,386-31,560

Finding the Fourth Proportional to 41,634.78, 57,386 and 31,560

Calculator

Solution

The fourth proportional to 41,634.78, 57,386 and 31,560 is: 43,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,634.78 : 57,386 = 31,560 : x
  2. Step 2: Convert to fraction form
    41,634.78/57,386 = 31,560/x
  3. Step 3: Cross multiply
    41,634.78x = 57,386 × 31,560
  4. Step 4: Simplify right side
    41,634.78x = 1,811,102,160
  5. Step 5: Solve for x
    x = 1,811,102,160/41,634.78
  6. Step 6: Final answer
    x = 43,499.74

Related Problems

Find fourth proportional to 20,817.39, 28,693 and 15,780
Half scale
Find fourth proportional to 83,269.56, 114,772 and 63,120
Double scale
Find fourth proportional to 41,635.78, 57,387.38 and 31,561
Similar ratio
Find fourth proportional to 62,452.17, 86,079 and 47,340
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.