Home / 52,168.57-78,253.68-12,726.43

Finding the Fourth Proportional to 52,168.57, 78,253.68 and 12,726.43

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Solution

The fourth proportional to 52,168.57, 78,253.68 and 12,726.43 is: 19,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,168.57 : 78,253.68 = 12,726.43 : x
  2. Step 2: Convert to fraction form
    52,168.57/78,253.68 = 12,726.43/x
  3. Step 3: Cross multiply
    52,168.57x = 78,253.68 × 12,726.43
  4. Step 4: Simplify right side
    52,168.57x = 995,889,980.76
  5. Step 5: Solve for x
    x = 995,889,980.76/52,168.57
  6. Step 6: Final answer
    x = 19,089.85

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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.