Home / 42,268.92-63,416.75-20,101.25

Finding the Fourth Proportional to 42,268.92, 63,416.75 and 20,101.25

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Solution

The fourth proportional to 42,268.92, 63,416.75 and 20,101.25 is: 30,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,268.92 : 63,416.75 = 20,101.25 : x
  2. Step 2: Convert to fraction form
    42,268.92/63,416.75 = 20,101.25/x
  3. Step 3: Cross multiply
    42,268.92x = 63,416.75 × 20,101.25
  4. Step 4: Simplify right side
    42,268.92x = 1,274,755,528.35
  5. Step 5: Solve for x
    x = 1,274,755,528.35/42,268.92
  6. Step 6: Final answer
    x = 30,158.22

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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.