Home / 42,065.56-63,079.86-15,751.85

Finding the Fourth Proportional to 42,065.56, 63,079.86 and 15,751.85

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Solution

The fourth proportional to 42,065.56, 63,079.86 and 15,751.85 is: 23,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,065.56 : 63,079.86 = 15,751.85 : x
  2. Step 2: Convert to fraction form
    42,065.56/63,079.86 = 15,751.85/x
  3. Step 3: Cross multiply
    42,065.56x = 63,079.86 × 15,751.85
  4. Step 4: Simplify right side
    42,065.56x = 993,624,591.24
  5. Step 5: Solve for x
    x = 993,624,591.24/42,065.56
  6. Step 6: Final answer
    x = 23,620.86

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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.