Home / 40,935.63-61,422.89-13,233.63

Finding the Fourth Proportional to 40,935.63, 61,422.89 and 13,233.63

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Solution

The fourth proportional to 40,935.63, 61,422.89 and 13,233.63 is: 19,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,935.63 : 61,422.89 = 13,233.63 : x
  2. Step 2: Convert to fraction form
    40,935.63/61,422.89 = 13,233.63/x
  3. Step 3: Cross multiply
    40,935.63x = 61,422.89 × 13,233.63
  4. Step 4: Simplify right side
    40,935.63x = 812,847,799.79
  5. Step 5: Solve for x
    x = 812,847,799.79/40,935.63
  6. Step 6: Final answer
    x = 19,856.73

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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.