Home / 52,839.29-72,916.29-28,965.45

Finding the Fourth Proportional to 52,839.29, 72,916.29 and 28,965.45

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Solution

The fourth proportional to 52,839.29, 72,916.29 and 28,965.45 is: 39,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,839.29 : 72,916.29 = 28,965.45 : x
  2. Step 2: Convert to fraction form
    52,839.29/72,916.29 = 28,965.45/x
  3. Step 3: Cross multiply
    52,839.29x = 72,916.29 × 28,965.45
  4. Step 4: Simplify right side
    52,839.29x = 2,112,052,974.73
  5. Step 5: Solve for x
    x = 2,112,052,974.73/52,839.29
  6. Step 6: Final answer
    x = 39,971.26

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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.