Home / 52,254.50-72,112-28,381.18

Finding the Fourth Proportional to 52,254.50, 72,112 and 28,381.18

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Solution

The fourth proportional to 52,254.50, 72,112 and 28,381.18 is: 39,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,254.50 : 72,112 = 28,381.18 : x
  2. Step 2: Convert to fraction form
    52,254.50/72,112 = 28,381.18/x
  3. Step 3: Cross multiply
    52,254.50x = 72,112 × 28,381.18
  4. Step 4: Simplify right side
    52,254.50x = 2,046,623,652.16
  5. Step 5: Solve for x
    x = 2,046,623,652.16/52,254.50
  6. Step 6: Final answer
    x = 39,166.46

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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.