Home / 45,778.16-63,151.56-28,803.44

Finding the Fourth Proportional to 45,778.16, 63,151.56 and 28,803.44

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Solution

The fourth proportional to 45,778.16, 63,151.56 and 28,803.44 is: 39,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,778.16 : 63,151.56 = 28,803.44 : x
  2. Step 2: Convert to fraction form
    45,778.16/63,151.56 = 28,803.44/x
  3. Step 3: Cross multiply
    45,778.16x = 63,151.56 × 28,803.44
  4. Step 4: Simplify right side
    45,778.16x = 1,818,982,169.37
  5. Step 5: Solve for x
    x = 1,818,982,169.37/45,778.16
  6. Step 6: Final answer
    x = 39,734.72

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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.