Home / 40,172.77-60,262.23-13,518.88

Finding the Fourth Proportional to 40,172.77, 60,262.23 and 13,518.88

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Solution

The fourth proportional to 40,172.77, 60,262.23 and 13,518.88 is: 20,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172.77 : 60,262.23 = 13,518.88 : x
  2. Step 2: Convert to fraction form
    40,172.77/60,262.23 = 13,518.88/x
  3. Step 3: Cross multiply
    40,172.77x = 60,262.23 × 13,518.88
  4. Step 4: Simplify right side
    40,172.77x = 814,677,855.90
  5. Step 5: Solve for x
    x = 814,677,855.90/40,172.77
  6. Step 6: Final answer
    x = 20,279.35

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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.