Home / 52,254.13-72,110.90-28,381.20

Finding the Fourth Proportional to 52,254.13, 72,110.90 and 28,381.20

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Solution

The fourth proportional to 52,254.13, 72,110.90 and 28,381.20 is: 39,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,254.13 : 72,110.90 = 28,381.20 : x
  2. Step 2: Convert to fraction form
    52,254.13/72,110.90 = 28,381.20/x
  3. Step 3: Cross multiply
    52,254.13x = 72,110.90 × 28,381.20
  4. Step 4: Simplify right side
    52,254.13x = 2,046,593,946.03
  5. Step 5: Solve for x
    x = 2,046,593,946.03/52,254.13
  6. Step 6: Final answer
    x = 39,166.17

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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.