Home / 45,301.85-67,952.78-42,385.85

Finding the Fourth Proportional to 45,301.85, 67,952.78 and 42,385.85

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Solution

The fourth proportional to 45,301.85, 67,952.78 and 42,385.85 is: 63,578.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,301.85 : 67,952.78 = 42,385.85 : x
  2. Step 2: Convert to fraction form
    45,301.85/67,952.78 = 42,385.85/x
  3. Step 3: Cross multiply
    45,301.85x = 67,952.78 × 42,385.85
  4. Step 4: Simplify right side
    45,301.85x = 2,880,236,128.23
  5. Step 5: Solve for x
    x = 2,880,236,128.23/45,301.85
  6. Step 6: Final answer
    x = 63,578.78

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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.