Home / 52,305.48-72,182.31-28,432.15

Finding the Fourth Proportional to 52,305.48, 72,182.31 and 28,432.15

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Solution

The fourth proportional to 52,305.48, 72,182.31 and 28,432.15 is: 39,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,305.48 : 72,182.31 = 28,432.15 : x
  2. Step 2: Convert to fraction form
    52,305.48/72,182.31 = 28,432.15/x
  3. Step 3: Cross multiply
    52,305.48x = 72,182.31 × 28,432.15
  4. Step 4: Simplify right side
    52,305.48x = 2,052,297,978.19
  5. Step 5: Solve for x
    x = 2,052,297,978.19/52,305.48
  6. Step 6: Final answer
    x = 39,236.77

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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.