Home / 40,844.96-61,238.64-15,864.20

Finding the Fourth Proportional to 40,844.96, 61,238.64 and 15,864.20

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Solution

The fourth proportional to 40,844.96, 61,238.64 and 15,864.20 is: 23,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,844.96 : 61,238.64 = 15,864.20 : x
  2. Step 2: Convert to fraction form
    40,844.96/61,238.64 = 15,864.20/x
  3. Step 3: Cross multiply
    40,844.96x = 61,238.64 × 15,864.20
  4. Step 4: Simplify right side
    40,844.96x = 971,502,032.69
  5. Step 5: Solve for x
    x = 971,502,032.69/40,844.96
  6. Step 6: Final answer
    x = 23,785.11

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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.