Home / 53,390.12-73,677.28-29,517.80

Finding the Fourth Proportional to 53,390.12, 73,677.28 and 29,517.80

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Solution

The fourth proportional to 53,390.12, 73,677.28 and 29,517.80 is: 40,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.12 : 73,677.28 = 29,517.80 : x
  2. Step 2: Convert to fraction form
    53,390.12/73,677.28 = 29,517.80/x
  3. Step 3: Cross multiply
    53,390.12x = 73,677.28 × 29,517.80
  4. Step 4: Simplify right side
    53,390.12x = 2,174,791,215.58
  5. Step 5: Solve for x
    x = 2,174,791,215.58/53,390.12
  6. Step 6: Final answer
    x = 40,733.96

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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.