Home / 57,280.96-79,048.22-31,789.05

Finding the Fourth Proportional to 57,280.96, 79,048.22 and 31,789.05

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Solution

The fourth proportional to 57,280.96, 79,048.22 and 31,789.05 is: 43,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,280.96 : 79,048.22 = 31,789.05 : x
  2. Step 2: Convert to fraction form
    57,280.96/79,048.22 = 31,789.05/x
  3. Step 3: Cross multiply
    57,280.96x = 79,048.22 × 31,789.05
  4. Step 4: Simplify right side
    57,280.96x = 2,512,867,263.80
  5. Step 5: Solve for x
    x = 2,512,867,263.80/57,280.96
  6. Step 6: Final answer
    x = 43,869.15

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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.