Home / 52,020.63-71,787.95-28,146.78

Finding the Fourth Proportional to 52,020.63, 71,787.95 and 28,146.78

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Solution

The fourth proportional to 52,020.63, 71,787.95 and 28,146.78 is: 38,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.63 : 71,787.95 = 28,146.78 : x
  2. Step 2: Convert to fraction form
    52,020.63/71,787.95 = 28,146.78/x
  3. Step 3: Cross multiply
    52,020.63x = 71,787.95 × 28,146.78
  4. Step 4: Simplify right side
    52,020.63x = 2,020,599,494.57
  5. Step 5: Solve for x
    x = 2,020,599,494.57/52,020.63
  6. Step 6: Final answer
    x = 38,842.27

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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.