Home / 47,157.12-70,701.12-40,279.68

Finding the Fourth Proportional to 47,157.12, 70,701.12 and 40,279.68

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Solution

The fourth proportional to 47,157.12, 70,701.12 and 40,279.68 is: 60,390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,157.12 : 70,701.12 = 40,279.68 : x
  2. Step 2: Convert to fraction form
    47,157.12/70,701.12 = 40,279.68/x
  3. Step 3: Cross multiply
    47,157.12x = 70,701.12 × 40,279.68
  4. Step 4: Simplify right side
    47,157.12x = 2,847,818,489.24
  5. Step 5: Solve for x
    x = 2,847,818,489.24/47,157.12
  6. Step 6: Final answer
    x = 60,390.00

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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.