Home / 51,182.10-70,646.50-32,331.78

Finding the Fourth Proportional to 51,182.10, 70,646.50 and 32,331.78

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Solution

The fourth proportional to 51,182.10, 70,646.50 and 32,331.78 is: 44,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,182.10 : 70,646.50 = 32,331.78 : x
  2. Step 2: Convert to fraction form
    51,182.10/70,646.50 = 32,331.78/x
  3. Step 3: Cross multiply
    51,182.10x = 70,646.50 × 32,331.78
  4. Step 4: Simplify right side
    51,182.10x = 2,284,126,742.54
  5. Step 5: Solve for x
    x = 2,284,126,742.54/51,182.10
  6. Step 6: Final answer
    x = 44,627.46

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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.