Home / 52,418.40-72,337.86-28,545.18

Finding the Fourth Proportional to 52,418.40, 72,337.86 and 28,545.18

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Solution

The fourth proportional to 52,418.40, 72,337.86 and 28,545.18 is: 39,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,418.40 : 72,337.86 = 28,545.18 : x
  2. Step 2: Convert to fraction form
    52,418.40/72,337.86 = 28,545.18/x
  3. Step 3: Cross multiply
    52,418.40x = 72,337.86 × 28,545.18
  4. Step 4: Simplify right side
    52,418.40x = 2,064,897,234.51
  5. Step 5: Solve for x
    x = 2,064,897,234.51/52,418.40
  6. Step 6: Final answer
    x = 39,392.60

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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.