Home / 52,686.95-79,031.17-17,148.45

Finding the Fourth Proportional to 52,686.95, 79,031.17 and 17,148.45

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Solution

The fourth proportional to 52,686.95, 79,031.17 and 17,148.45 is: 25,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,686.95 : 79,031.17 = 17,148.45 : x
  2. Step 2: Convert to fraction form
    52,686.95/79,031.17 = 17,148.45/x
  3. Step 3: Cross multiply
    52,686.95x = 79,031.17 × 17,148.45
  4. Step 4: Simplify right side
    52,686.95x = 1,355,262,024.32
  5. Step 5: Solve for x
    x = 1,355,262,024.32/52,686.95
  6. Step 6: Final answer
    x = 25,722.92

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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.