Home / 54,347.10-81,520.65-14,908.20

Finding the Fourth Proportional to 54,347.10, 81,520.65 and 14,908.20

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Solution

The fourth proportional to 54,347.10, 81,520.65 and 14,908.20 is: 22,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,347.10 : 81,520.65 = 14,908.20 : x
  2. Step 2: Convert to fraction form
    54,347.10/81,520.65 = 14,908.20/x
  3. Step 3: Cross multiply
    54,347.10x = 81,520.65 × 14,908.20
  4. Step 4: Simplify right side
    54,347.10x = 1,215,326,154.33
  5. Step 5: Solve for x
    x = 1,215,326,154.33/54,347.10
  6. Step 6: Final answer
    x = 22,362.30

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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.