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Finding the Fourth Proportional to 57,663.16, 86,463.34 and 26,036.16

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Solution

The fourth proportional to 57,663.16, 86,463.34 and 26,036.16 is: 39,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,663.16 : 86,463.34 = 26,036.16 : x
  2. Step 2: Convert to fraction form
    57,663.16/86,463.34 = 26,036.16/x
  3. Step 3: Cross multiply
    57,663.16x = 86,463.34 × 26,036.16
  4. Step 4: Simplify right side
    57,663.16x = 2,251,173,354.37
  5. Step 5: Solve for x
    x = 2,251,173,354.37/57,663.16
  6. Step 6: Final answer
    x = 39,040.06

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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.