Home / 42,637.46-63,928.85-17,694.72

Finding the Fourth Proportional to 42,637.46, 63,928.85 and 17,694.72

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Solution

The fourth proportional to 42,637.46, 63,928.85 and 17,694.72 is: 26,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,637.46 : 63,928.85 = 17,694.72 : x
  2. Step 2: Convert to fraction form
    42,637.46/63,928.85 = 17,694.72/x
  3. Step 3: Cross multiply
    42,637.46x = 63,928.85 × 17,694.72
  4. Step 4: Simplify right side
    42,637.46x = 1,131,203,012.20
  5. Step 5: Solve for x
    x = 1,131,203,012.20/42,637.46
  6. Step 6: Final answer
    x = 26,530.73

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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.