Home / 56,014.38-84,036.15-20,956.77

Finding the Fourth Proportional to 56,014.38, 84,036.15 and 20,956.77

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Solution

The fourth proportional to 56,014.38, 84,036.15 and 20,956.77 is: 31,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,014.38 : 84,036.15 = 20,956.77 : x
  2. Step 2: Convert to fraction form
    56,014.38/84,036.15 = 20,956.77/x
  3. Step 3: Cross multiply
    56,014.38x = 84,036.15 × 20,956.77
  4. Step 4: Simplify right side
    56,014.38x = 1,761,126,267.24
  5. Step 5: Solve for x
    x = 1,761,126,267.24/56,014.38
  6. Step 6: Final answer
    x = 31,440.61

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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.