Home / 54,312.90-81,469.45-23,148.15

Finding the Fourth Proportional to 54,312.90, 81,469.45 and 23,148.15

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Solution

The fourth proportional to 54,312.90, 81,469.45 and 23,148.15 is: 34,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.90 : 81,469.45 = 23,148.15 : x
  2. Step 2: Convert to fraction form
    54,312.90/81,469.45 = 23,148.15/x
  3. Step 3: Cross multiply
    54,312.90x = 81,469.45 × 23,148.15
  4. Step 4: Simplify right side
    54,312.90x = 1,885,866,772.44
  5. Step 5: Solve for x
    x = 1,885,866,772.44/54,312.90
  6. Step 6: Final answer
    x = 34,722.26

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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.