Home / 54,590.12-81,875.32-15,150.40

Finding the Fourth Proportional to 54,590.12, 81,875.32 and 15,150.40

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Solution

The fourth proportional to 54,590.12, 81,875.32 and 15,150.40 is: 22,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,590.12 : 81,875.32 = 15,150.40 : x
  2. Step 2: Convert to fraction form
    54,590.12/81,875.32 = 15,150.40/x
  3. Step 3: Cross multiply
    54,590.12x = 81,875.32 × 15,150.40
  4. Step 4: Simplify right side
    54,590.12x = 1,240,443,848.13
  5. Step 5: Solve for x
    x = 1,240,443,848.13/54,590.12
  6. Step 6: Final answer
    x = 22,722.86

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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.