Home / 54,397.55-81,604.56-19,328.87

Finding the Fourth Proportional to 54,397.55, 81,604.56 and 19,328.87

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Solution

The fourth proportional to 54,397.55, 81,604.56 and 19,328.87 is: 28,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,397.55 : 81,604.56 = 19,328.87 : x
  2. Step 2: Convert to fraction form
    54,397.55/81,604.56 = 19,328.87/x
  3. Step 3: Cross multiply
    54,397.55x = 81,604.56 × 19,328.87
  4. Step 4: Simplify right side
    54,397.55x = 1,577,323,931.65
  5. Step 5: Solve for x
    x = 1,577,323,931.65/54,397.55
  6. Step 6: Final answer
    x = 28,996.23

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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.