Home / 52,475.20-72,415.50-28,601.80

Finding the Fourth Proportional to 52,475.20, 72,415.50 and 28,601.80

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Solution

The fourth proportional to 52,475.20, 72,415.50 and 28,601.80 is: 39,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,475.20 : 72,415.50 = 28,601.80 : x
  2. Step 2: Convert to fraction form
    52,475.20/72,415.50 = 28,601.80/x
  3. Step 3: Cross multiply
    52,475.20x = 72,415.50 × 28,601.80
  4. Step 4: Simplify right side
    52,475.20x = 2,071,213,647.90
  5. Step 5: Solve for x
    x = 2,071,213,647.90/52,475.20
  6. Step 6: Final answer
    x = 39,470.33

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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.