Home / 57,781.48-79,661.34-45,884.20

Finding the Fourth Proportional to 57,781.48, 79,661.34 and 45,884.20

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Solution

The fourth proportional to 57,781.48, 79,661.34 and 45,884.20 is: 63,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,781.48 : 79,661.34 = 45,884.20 : x
  2. Step 2: Convert to fraction form
    57,781.48/79,661.34 = 45,884.20/x
  3. Step 3: Cross multiply
    57,781.48x = 79,661.34 × 45,884.20
  4. Step 4: Simplify right side
    57,781.48x = 3,655,196,856.83
  5. Step 5: Solve for x
    x = 3,655,196,856.83/57,781.48
  6. Step 6: Final answer
    x = 63,258.97

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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.