Home / 67,649.60-93,366.35-38,963.75

Finding the Fourth Proportional to 67,649.60, 93,366.35 and 38,963.75

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Solution

The fourth proportional to 67,649.60, 93,366.35 and 38,963.75 is: 53,775.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,649.60 : 93,366.35 = 38,963.75 : x
  2. Step 2: Convert to fraction form
    67,649.60/93,366.35 = 38,963.75/x
  3. Step 3: Cross multiply
    67,649.60x = 93,366.35 × 38,963.75
  4. Step 4: Simplify right side
    67,649.60x = 3,637,902,458.16
  5. Step 5: Solve for x
    x = 3,637,902,458.16/67,649.60
  6. Step 6: Final answer
    x = 53,775.67

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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.