Home / 42,169.28-63,240.48-17,209.28

Finding the Fourth Proportional to 42,169.28, 63,240.48 and 17,209.28

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Solution

The fourth proportional to 42,169.28, 63,240.48 and 17,209.28 is: 25,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,169.28 : 63,240.48 = 17,209.28 : x
  2. Step 2: Convert to fraction form
    42,169.28/63,240.48 = 17,209.28/x
  3. Step 3: Cross multiply
    42,169.28x = 63,240.48 × 17,209.28
  4. Step 4: Simplify right side
    42,169.28x = 1,088,323,127.65
  5. Step 5: Solve for x
    x = 1,088,323,127.65/42,169.28
  6. Step 6: Final answer
    x = 25,808.44

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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.