Home / 71,248.40-98,322.36-39,416.62

Finding the Fourth Proportional to 71,248.40, 98,322.36 and 39,416.62

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Solution

The fourth proportional to 71,248.40, 98,322.36 and 39,416.62 is: 54,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,248.40 : 98,322.36 = 39,416.62 : x
  2. Step 2: Convert to fraction form
    71,248.40/98,322.36 = 39,416.62/x
  3. Step 3: Cross multiply
    71,248.40x = 98,322.36 × 39,416.62
  4. Step 4: Simplify right side
    71,248.40x = 3,875,535,101.62
  5. Step 5: Solve for x
    x = 3,875,535,101.62/71,248.40
  6. Step 6: Final answer
    x = 54,394.70

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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.