Home / 40,234.32-60,345.81-10,654.74

Finding the Fourth Proportional to 40,234.32, 60,345.81 and 10,654.74

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Solution

The fourth proportional to 40,234.32, 60,345.81 and 10,654.74 is: 15,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.32 : 60,345.81 = 10,654.74 : x
  2. Step 2: Convert to fraction form
    40,234.32/60,345.81 = 10,654.74/x
  3. Step 3: Cross multiply
    40,234.32x = 60,345.81 × 10,654.74
  4. Step 4: Simplify right side
    40,234.32x = 642,968,915.64
  5. Step 5: Solve for x
    x = 642,968,915.64/40,234.32
  6. Step 6: Final answer
    x = 15,980.61

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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.