Home / 52,302.62-72,178.05-28,429.29

Finding the Fourth Proportional to 52,302.62, 72,178.05 and 28,429.29

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Solution

The fourth proportional to 52,302.62, 72,178.05 and 28,429.29 is: 39,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,302.62 : 72,178.05 = 28,429.29 : x
  2. Step 2: Convert to fraction form
    52,302.62/72,178.05 = 28,429.29/x
  3. Step 3: Cross multiply
    52,302.62x = 72,178.05 × 28,429.29
  4. Step 4: Simplify right side
    52,302.62x = 2,051,970,715.08
  5. Step 5: Solve for x
    x = 2,051,970,715.08/52,302.62
  6. Step 6: Final answer
    x = 39,232.66

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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.