Home / 71,848.76-107,773.16-21,929.13

Finding the Fourth Proportional to 71,848.76, 107,773.16 and 21,929.13

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Solution

The fourth proportional to 71,848.76, 107,773.16 and 21,929.13 is: 32,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,848.76 : 107,773.16 = 21,929.13 : x
  2. Step 2: Convert to fraction form
    71,848.76/107,773.16 = 21,929.13/x
  3. Step 3: Cross multiply
    71,848.76x = 107,773.16 × 21,929.13
  4. Step 4: Simplify right side
    71,848.76x = 2,363,371,526.51
  5. Step 5: Solve for x
    x = 2,363,371,526.51/71,848.76
  6. Step 6: Final answer
    x = 32,893.70

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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.