Home / 51,016.38-70,402.23-28,660.38

Finding the Fourth Proportional to 51,016.38, 70,402.23 and 28,660.38

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Solution

The fourth proportional to 51,016.38, 70,402.23 and 28,660.38 is: 39,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,016.38 : 70,402.23 = 28,660.38 : x
  2. Step 2: Convert to fraction form
    51,016.38/70,402.23 = 28,660.38/x
  3. Step 3: Cross multiply
    51,016.38x = 70,402.23 × 28,660.38
  4. Step 4: Simplify right side
    51,016.38x = 2,017,754,664.65
  5. Step 5: Solve for x
    x = 2,017,754,664.65/51,016.38
  6. Step 6: Final answer
    x = 39,551.11

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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.