Home / 55,842.16-77,040.21-31,956.04

Finding the Fourth Proportional to 55,842.16, 77,040.21 and 31,956.04

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Solution

The fourth proportional to 55,842.16, 77,040.21 and 31,956.04 is: 44,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,842.16 : 77,040.21 = 31,956.04 : x
  2. Step 2: Convert to fraction form
    55,842.16/77,040.21 = 31,956.04/x
  3. Step 3: Cross multiply
    55,842.16x = 77,040.21 × 31,956.04
  4. Step 4: Simplify right side
    55,842.16x = 2,461,900,032.37
  5. Step 5: Solve for x
    x = 2,461,900,032.37/55,842.16
  6. Step 6: Final answer
    x = 44,086.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.