Home / 55,502.20-83,258.77-20,433.66

Finding the Fourth Proportional to 55,502.20, 83,258.77 and 20,433.66

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Solution

The fourth proportional to 55,502.20, 83,258.77 and 20,433.66 is: 30,652.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,502.20 : 83,258.77 = 20,433.66 : x
  2. Step 2: Convert to fraction form
    55,502.20/83,258.77 = 20,433.66/x
  3. Step 3: Cross multiply
    55,502.20x = 83,258.77 × 20,433.66
  4. Step 4: Simplify right side
    55,502.20x = 1,701,281,398.20
  5. Step 5: Solve for x
    x = 1,701,281,398.20/55,502.20
  6. Step 6: Final answer
    x = 30,652.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.