Home / 52,020.45-71,787.74-28,146.69

Finding the Fourth Proportional to 52,020.45, 71,787.74 and 28,146.69

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Solution

The fourth proportional to 52,020.45, 71,787.74 and 28,146.69 is: 38,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.45 : 71,787.74 = 28,146.69 : x
  2. Step 2: Convert to fraction form
    52,020.45/71,787.74 = 28,146.69/x
  3. Step 3: Cross multiply
    52,020.45x = 71,787.74 × 28,146.69
  4. Step 4: Simplify right side
    52,020.45x = 2,020,587,122.85
  5. Step 5: Solve for x
    x = 2,020,587,122.85/52,020.45
  6. Step 6: Final answer
    x = 38,842.17

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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.