Home / 51,305.28-70,801.44-28,948.80

Finding the Fourth Proportional to 51,305.28, 70,801.44 and 28,948.80

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Solution

The fourth proportional to 51,305.28, 70,801.44 and 28,948.80 is: 39,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,305.28 : 70,801.44 = 28,948.80 : x
  2. Step 2: Convert to fraction form
    51,305.28/70,801.44 = 28,948.80/x
  3. Step 3: Cross multiply
    51,305.28x = 70,801.44 × 28,948.80
  4. Step 4: Simplify right side
    51,305.28x = 2,049,616,726.27
  5. Step 5: Solve for x
    x = 2,049,616,726.27/51,305.28
  6. Step 6: Final answer
    x = 39,949.43

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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.