Home / 52,154.46-71,972.76-28,281.18

Finding the Fourth Proportional to 52,154.46, 71,972.76 and 28,281.18

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Solution

The fourth proportional to 52,154.46, 71,972.76 and 28,281.18 is: 39,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,154.46 : 71,972.76 = 28,281.18 : x
  2. Step 2: Convert to fraction form
    52,154.46/71,972.76 = 28,281.18/x
  3. Step 3: Cross multiply
    52,154.46x = 71,972.76 × 28,281.18
  4. Step 4: Simplify right side
    52,154.46x = 2,035,474,580.66
  5. Step 5: Solve for x
    x = 2,035,474,580.66/52,154.46
  6. Step 6: Final answer
    x = 39,027.81

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1.5x scale

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.