Home / 54,444.93-81,646.30-21,160.63

Finding the Fourth Proportional to 54,444.93, 81,646.30 and 21,160.63

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Solution

The fourth proportional to 54,444.93, 81,646.30 and 21,160.63 is: 31,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,444.93 : 81,646.30 = 21,160.63 : x
  2. Step 2: Convert to fraction form
    54,444.93/81,646.30 = 21,160.63/x
  3. Step 3: Cross multiply
    54,444.93x = 81,646.30 × 21,160.63
  4. Step 4: Simplify right side
    54,444.93x = 1,727,687,145.17
  5. Step 5: Solve for x
    x = 1,727,687,145.17/54,444.93
  6. Step 6: Final answer
    x = 31,732.75

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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.