Home / 55,351.17-83,031.42-17,409.15

Finding the Fourth Proportional to 55,351.17, 83,031.42 and 17,409.15

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Solution

The fourth proportional to 55,351.17, 83,031.42 and 17,409.15 is: 26,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,351.17 : 83,031.42 = 17,409.15 : x
  2. Step 2: Convert to fraction form
    55,351.17/83,031.42 = 17,409.15/x
  3. Step 3: Cross multiply
    55,351.17x = 83,031.42 × 17,409.15
  4. Step 4: Simplify right side
    55,351.17x = 1,445,506,621.90
  5. Step 5: Solve for x
    x = 1,445,506,621.90/55,351.17
  6. Step 6: Final answer
    x = 26,115.19

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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.