Home / 52,141.92-78,212.84-18,854.18

Finding the Fourth Proportional to 52,141.92, 78,212.84 and 18,854.18

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Solution

The fourth proportional to 52,141.92, 78,212.84 and 18,854.18 is: 28,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,141.92 : 78,212.84 = 18,854.18 : x
  2. Step 2: Convert to fraction form
    52,141.92/78,212.84 = 18,854.18/x
  3. Step 3: Cross multiply
    52,141.92x = 78,212.84 × 18,854.18
  4. Step 4: Simplify right side
    52,141.92x = 1,474,638,963.67
  5. Step 5: Solve for x
    x = 1,474,638,963.67/52,141.92
  6. Step 6: Final answer
    x = 28,281.26

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1.5x scale

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.