Home / 64,138.24-96,207.40-17,391.12

Finding the Fourth Proportional to 64,138.24, 96,207.40 and 17,391.12

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Solution

The fourth proportional to 64,138.24, 96,207.40 and 17,391.12 is: 26,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,138.24 : 96,207.40 = 17,391.12 : x
  2. Step 2: Convert to fraction form
    64,138.24/96,207.40 = 17,391.12/x
  3. Step 3: Cross multiply
    64,138.24x = 96,207.40 × 17,391.12
  4. Step 4: Simplify right side
    64,138.24x = 1,673,154,438.29
  5. Step 5: Solve for x
    x = 1,673,154,438.29/64,138.24
  6. Step 6: Final answer
    x = 26,086.69

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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.