Home / 55,587.85-76,659.40-51,459.55

Finding the Fourth Proportional to 55,587.85, 76,659.40 and 51,459.55

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Solution

The fourth proportional to 55,587.85, 76,659.40 and 51,459.55 is: 70,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.85 : 76,659.40 = 51,459.55 : x
  2. Step 2: Convert to fraction form
    55,587.85/76,659.40 = 51,459.55/x
  3. Step 3: Cross multiply
    55,587.85x = 76,659.40 × 51,459.55
  4. Step 4: Simplify right side
    55,587.85x = 3,944,858,227.27
  5. Step 5: Solve for x
    x = 3,944,858,227.27/55,587.85
  6. Step 6: Final answer
    x = 70,966.20

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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.