Home / 52,451.16-72,382.20-28,577.76

Finding the Fourth Proportional to 52,451.16, 72,382.20 and 28,577.76

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Solution

The fourth proportional to 52,451.16, 72,382.20 and 28,577.76 is: 39,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.16 : 72,382.20 = 28,577.76 : x
  2. Step 2: Convert to fraction form
    52,451.16/72,382.20 = 28,577.76/x
  3. Step 3: Cross multiply
    52,451.16x = 72,382.20 × 28,577.76
  4. Step 4: Simplify right side
    52,451.16x = 2,068,521,139.87
  5. Step 5: Solve for x
    x = 2,068,521,139.87/52,451.16
  6. Step 6: Final answer
    x = 39,437.09

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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.