Home / 54,590.40-81,885.60-15,147.52

Finding the Fourth Proportional to 54,590.40, 81,885.60 and 15,147.52

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Solution

The fourth proportional to 54,590.40, 81,885.60 and 15,147.52 is: 22,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,590.40 : 81,885.60 = 15,147.52 : x
  2. Step 2: Convert to fraction form
    54,590.40/81,885.60 = 15,147.52/x
  3. Step 3: Cross multiply
    54,590.40x = 81,885.60 × 15,147.52
  4. Step 4: Simplify right side
    54,590.40x = 1,240,363,763.71
  5. Step 5: Solve for x
    x = 1,240,363,763.71/54,590.40
  6. Step 6: Final answer
    x = 22,721.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.