Home / 65,327.91-90,157.67-38,475.65

Finding the Fourth Proportional to 65,327.91, 90,157.67 and 38,475.65

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Solution

The fourth proportional to 65,327.91, 90,157.67 and 38,475.65 is: 53,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,327.91 : 90,157.67 = 38,475.65 : x
  2. Step 2: Convert to fraction form
    65,327.91/90,157.67 = 38,475.65/x
  3. Step 3: Cross multiply
    65,327.91x = 90,157.67 × 38,475.65
  4. Step 4: Simplify right side
    65,327.91x = 3,468,874,955.74
  5. Step 5: Solve for x
    x = 3,468,874,955.74/65,327.91
  6. Step 6: Final answer
    x = 53,099.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.