Home / 45,931.20-63,380.34-25,790.30

Finding the Fourth Proportional to 45,931.20, 63,380.34 and 25,790.30

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Solution

The fourth proportional to 45,931.20, 63,380.34 and 25,790.30 is: 35,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.20 : 63,380.34 = 25,790.30 : x
  2. Step 2: Convert to fraction form
    45,931.20/63,380.34 = 25,790.30/x
  3. Step 3: Cross multiply
    45,931.20x = 63,380.34 × 25,790.30
  4. Step 4: Simplify right side
    45,931.20x = 1,634,598,141.15
  5. Step 5: Solve for x
    x = 1,634,598,141.15/45,931.20
  6. Step 6: Final answer
    x = 35,587.97

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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.