Home / 42,191.32-63,291.30-15,918.16

Finding the Fourth Proportional to 42,191.32, 63,291.30 and 15,918.16

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Solution

The fourth proportional to 42,191.32, 63,291.30 and 15,918.16 is: 23,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,191.32 : 63,291.30 = 15,918.16 : x
  2. Step 2: Convert to fraction form
    42,191.32/63,291.30 = 15,918.16/x
  3. Step 3: Cross multiply
    42,191.32x = 63,291.30 × 15,918.16
  4. Step 4: Simplify right side
    42,191.32x = 1,007,481,040.01
  5. Step 5: Solve for x
    x = 1,007,481,040.01/42,191.32
  6. Step 6: Final answer
    x = 23,878.87

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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.