Home / 40,034.96-59,964.95-20,279.60

Finding the Fourth Proportional to 40,034.96, 59,964.95 and 20,279.60

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Solution

The fourth proportional to 40,034.96, 59,964.95 and 20,279.60 is: 30,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,034.96 : 59,964.95 = 20,279.60 : x
  2. Step 2: Convert to fraction form
    40,034.96/59,964.95 = 20,279.60/x
  3. Step 3: Cross multiply
    40,034.96x = 59,964.95 × 20,279.60
  4. Step 4: Simplify right side
    40,034.96x = 1,216,064,950.89
  5. Step 5: Solve for x
    x = 1,216,064,950.89/40,034.96
  6. Step 6: Final answer
    x = 30,375.08

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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.