Home / 67,439.26-93,064.17-38,763.64

Finding the Fourth Proportional to 67,439.26, 93,064.17 and 38,763.64

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Solution

The fourth proportional to 67,439.26, 93,064.17 and 38,763.64 is: 53,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,439.26 : 93,064.17 = 38,763.64 : x
  2. Step 2: Convert to fraction form
    67,439.26/93,064.17 = 38,763.64/x
  3. Step 3: Cross multiply
    67,439.26x = 93,064.17 × 38,763.64
  4. Step 4: Simplify right side
    67,439.26x = 3,607,505,982.78
  5. Step 5: Solve for x
    x = 3,607,505,982.78/67,439.26
  6. Step 6: Final answer
    x = 53,492.67

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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.