Home / 42,549.75-63,853.80-14,847.75

Finding the Fourth Proportional to 42,549.75, 63,853.80 and 14,847.75

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Solution

The fourth proportional to 42,549.75, 63,853.80 and 14,847.75 is: 22,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,549.75 : 63,853.80 = 14,847.75 : x
  2. Step 2: Convert to fraction form
    42,549.75/63,853.80 = 14,847.75/x
  3. Step 3: Cross multiply
    42,549.75x = 63,853.80 × 14,847.75
  4. Step 4: Simplify right side
    42,549.75x = 948,085,258.95
  5. Step 5: Solve for x
    x = 948,085,258.95/42,549.75
  6. Step 6: Final answer
    x = 22,281.81

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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.