Home / 54,030.30-81,045.45-14,591.40

Finding the Fourth Proportional to 54,030.30, 81,045.45 and 14,591.40

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Solution

The fourth proportional to 54,030.30, 81,045.45 and 14,591.40 is: 21,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,030.30 : 81,045.45 = 14,591.40 : x
  2. Step 2: Convert to fraction form
    54,030.30/81,045.45 = 14,591.40/x
  3. Step 3: Cross multiply
    54,030.30x = 81,045.45 × 14,591.40
  4. Step 4: Simplify right side
    54,030.30x = 1,182,566,579.13
  5. Step 5: Solve for x
    x = 1,182,566,579.13/54,030.30
  6. Step 6: Final answer
    x = 21,887.10

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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.