Home / 54,301.68-81,463.38-18,764.30

Finding the Fourth Proportional to 54,301.68, 81,463.38 and 18,764.30

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Solution

The fourth proportional to 54,301.68, 81,463.38 and 18,764.30 is: 28,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.68 : 81,463.38 = 18,764.30 : x
  2. Step 2: Convert to fraction form
    54,301.68/81,463.38 = 18,764.30/x
  3. Step 3: Cross multiply
    54,301.68x = 81,463.38 × 18,764.30
  4. Step 4: Simplify right side
    54,301.68x = 1,528,602,894.02
  5. Step 5: Solve for x
    x = 1,528,602,894.02/54,301.68
  6. Step 6: Final answer
    x = 28,150.20

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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.