Home / 71,248.08-98,324.08-39,417.60

Finding the Fourth Proportional to 71,248.08, 98,324.08 and 39,417.60

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Solution

The fourth proportional to 71,248.08, 98,324.08 and 39,417.60 is: 54,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,248.08 : 98,324.08 = 39,417.60 : x
  2. Step 2: Convert to fraction form
    71,248.08/98,324.08 = 39,417.60/x
  3. Step 3: Cross multiply
    71,248.08x = 98,324.08 × 39,417.60
  4. Step 4: Simplify right side
    71,248.08x = 3,875,699,255.81
  5. Step 5: Solve for x
    x = 3,875,699,255.81/71,248.08
  6. Step 6: Final answer
    x = 54,397.24

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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.