Home / 52,490.17-72,436.39-28,616.84

Finding the Fourth Proportional to 52,490.17, 72,436.39 and 28,616.84

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Solution

The fourth proportional to 52,490.17, 72,436.39 and 28,616.84 is: 39,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490.17 : 72,436.39 = 28,616.84 : x
  2. Step 2: Convert to fraction form
    52,490.17/72,436.39 = 28,616.84/x
  3. Step 3: Cross multiply
    52,490.17x = 72,436.39 × 28,616.84
  4. Step 4: Simplify right side
    52,490.17x = 2,072,900,799.09
  5. Step 5: Solve for x
    x = 2,072,900,799.09/52,490.17
  6. Step 6: Final answer
    x = 39,491.22

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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.