Home / 35,438.13-53,158.22-9,142.88

Finding the Fourth Proportional to 35,438.13, 53,158.22 and 9,142.88

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Solution

The fourth proportional to 35,438.13, 53,158.22 and 9,142.88 is: 13,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438.13 : 53,158.22 = 9,142.88 : x
  2. Step 2: Convert to fraction form
    35,438.13/53,158.22 = 9,142.88/x
  3. Step 3: Cross multiply
    35,438.13x = 53,158.22 × 9,142.88
  4. Step 4: Simplify right side
    35,438.13x = 486,019,000.68
  5. Step 5: Solve for x
    x = 486,019,000.68/35,438.13
  6. Step 6: Final answer
    x = 13,714.58

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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.