Home / 54,411.01-81,567.28-19,342.47

Finding the Fourth Proportional to 54,411.01, 81,567.28 and 19,342.47

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Solution

The fourth proportional to 54,411.01, 81,567.28 and 19,342.47 is: 28,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,411.01 : 81,567.28 = 19,342.47 : x
  2. Step 2: Convert to fraction form
    54,411.01/81,567.28 = 19,342.47/x
  3. Step 3: Cross multiply
    54,411.01x = 81,567.28 × 19,342.47
  4. Step 4: Simplify right side
    54,411.01x = 1,577,712,666.38
  5. Step 5: Solve for x
    x = 1,577,712,666.38/54,411.01
  6. Step 6: Final answer
    x = 28,996.20

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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.