Home / 56,671.56-84,951.87-21,106.77

Finding the Fourth Proportional to 56,671.56, 84,951.87 and 21,106.77

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Solution

The fourth proportional to 56,671.56, 84,951.87 and 21,106.77 is: 31,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.56 : 84,951.87 = 21,106.77 : x
  2. Step 2: Convert to fraction form
    56,671.56/84,951.87 = 21,106.77/x
  3. Step 3: Cross multiply
    56,671.56x = 84,951.87 × 21,106.77
  4. Step 4: Simplify right side
    56,671.56x = 1,793,059,581.16
  5. Step 5: Solve for x
    x = 1,793,059,581.16/56,671.56
  6. Step 6: Final answer
    x = 31,639.50

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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.