Home / 56,940.64-85,362.36-40,248.16

Finding the Fourth Proportional to 56,940.64, 85,362.36 and 40,248.16

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Solution

The fourth proportional to 56,940.64, 85,362.36 and 40,248.16 is: 60,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,940.64 : 85,362.36 = 40,248.16 : x
  2. Step 2: Convert to fraction form
    56,940.64/85,362.36 = 40,248.16/x
  3. Step 3: Cross multiply
    56,940.64x = 85,362.36 × 40,248.16
  4. Step 4: Simplify right side
    56,940.64x = 3,435,677,558.92
  5. Step 5: Solve for x
    x = 3,435,677,558.92/56,940.64
  6. Step 6: Final answer
    x = 60,337.88

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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.