Home / 52,389.40-72,299.28-28,514.92

Finding the Fourth Proportional to 52,389.40, 72,299.28 and 28,514.92

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Solution

The fourth proportional to 52,389.40, 72,299.28 and 28,514.92 is: 39,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,389.40 : 72,299.28 = 28,514.92 : x
  2. Step 2: Convert to fraction form
    52,389.40/72,299.28 = 28,514.92/x
  3. Step 3: Cross multiply
    52,389.40x = 72,299.28 × 28,514.92
  4. Step 4: Simplify right side
    52,389.40x = 2,061,608,185.26
  5. Step 5: Solve for x
    x = 2,061,608,185.26/52,389.40
  6. Step 6: Final answer
    x = 39,351.63

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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.