Home / 40,681.52-61,031.20-12,217.22

Finding the Fourth Proportional to 40,681.52, 61,031.20 and 12,217.22

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Solution

The fourth proportional to 40,681.52, 61,031.20 and 12,217.22 is: 18,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,681.52 : 61,031.20 = 12,217.22 : x
  2. Step 2: Convert to fraction form
    40,681.52/61,031.20 = 12,217.22/x
  3. Step 3: Cross multiply
    40,681.52x = 61,031.20 × 12,217.22
  4. Step 4: Simplify right side
    40,681.52x = 745,631,597.26
  5. Step 5: Solve for x
    x = 745,631,597.26/40,681.52
  6. Step 6: Final answer
    x = 18,328.51

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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.