Home / 42,631.60-63,965.80-22,887.08

Finding the Fourth Proportional to 42,631.60, 63,965.80 and 22,887.08

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Solution

The fourth proportional to 42,631.60, 63,965.80 and 22,887.08 is: 34,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631.60 : 63,965.80 = 22,887.08 : x
  2. Step 2: Convert to fraction form
    42,631.60/63,965.80 = 22,887.08/x
  3. Step 3: Cross multiply
    42,631.60x = 63,965.80 × 22,887.08
  4. Step 4: Simplify right side
    42,631.60x = 1,463,990,381.86
  5. Step 5: Solve for x
    x = 1,463,990,381.86/42,631.60
  6. Step 6: Final answer
    x = 34,340.50

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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.