Home / 35,158.08-52,720.72-20,371.24

Finding the Fourth Proportional to 35,158.08, 52,720.72 and 20,371.24

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Solution

The fourth proportional to 35,158.08, 52,720.72 and 20,371.24 is: 30,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,158.08 : 52,720.72 = 20,371.24 : x
  2. Step 2: Convert to fraction form
    35,158.08/52,720.72 = 20,371.24/x
  3. Step 3: Cross multiply
    35,158.08x = 52,720.72 × 20,371.24
  4. Step 4: Simplify right side
    35,158.08x = 1,073,986,440.09
  5. Step 5: Solve for x
    x = 1,073,986,440.09/35,158.08
  6. Step 6: Final answer
    x = 30,547.36

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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.