Home / 40,320.39-60,442.81-13,647.72

Finding the Fourth Proportional to 40,320.39, 60,442.81 and 13,647.72

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Solution

The fourth proportional to 40,320.39, 60,442.81 and 13,647.72 is: 20,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.39 : 60,442.81 = 13,647.72 : x
  2. Step 2: Convert to fraction form
    40,320.39/60,442.81 = 13,647.72/x
  3. Step 3: Cross multiply
    40,320.39x = 60,442.81 × 13,647.72
  4. Step 4: Simplify right side
    40,320.39x = 824,906,393.96
  5. Step 5: Solve for x
    x = 824,906,393.96/40,320.39
  6. Step 6: Final answer
    x = 20,458.79

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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.