Home / 45,890.38-63,350.97-30,777.52

Finding the Fourth Proportional to 45,890.38, 63,350.97 and 30,777.52

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Solution

The fourth proportional to 45,890.38, 63,350.97 and 30,777.52 is: 42,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.38 : 63,350.97 = 30,777.52 : x
  2. Step 2: Convert to fraction form
    45,890.38/63,350.97 = 30,777.52/x
  3. Step 3: Cross multiply
    45,890.38x = 63,350.97 × 30,777.52
  4. Step 4: Simplify right side
    45,890.38x = 1,949,785,746.19
  5. Step 5: Solve for x
    x = 1,949,785,746.19/45,890.38
  6. Step 6: Final answer
    x = 42,487.90

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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.