Home / 39,854.36-59,785.20-10,272.30

Finding the Fourth Proportional to 39,854.36, 59,785.20 and 10,272.30

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Solution

The fourth proportional to 39,854.36, 59,785.20 and 10,272.30 is: 15,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,854.36 : 59,785.20 = 10,272.30 : x
  2. Step 2: Convert to fraction form
    39,854.36/59,785.20 = 10,272.30/x
  3. Step 3: Cross multiply
    39,854.36x = 59,785.20 × 10,272.30
  4. Step 4: Simplify right side
    39,854.36x = 614,131,509.96
  5. Step 5: Solve for x
    x = 614,131,509.96/39,854.36
  6. Step 6: Final answer
    x = 15,409.39

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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.