Home / 29,987.12-41,387.28-17,419.16

Finding the Fourth Proportional to 29,987.12, 41,387.28 and 17,419.16

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Solution

The fourth proportional to 29,987.12, 41,387.28 and 17,419.16 is: 24,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.12 : 41,387.28 = 17,419.16 : x
  2. Step 2: Convert to fraction form
    29,987.12/41,387.28 = 17,419.16/x
  3. Step 3: Cross multiply
    29,987.12x = 41,387.28 × 17,419.16
  4. Step 4: Simplify right side
    29,987.12x = 720,931,652.28
  5. Step 5: Solve for x
    x = 720,931,652.28/29,987.12
  6. Step 6: Final answer
    x = 24,041.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.