Home / 55,415.20-83,031.60-32,000.80

Finding the Fourth Proportional to 55,415.20, 83,031.60 and 32,000.80

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Solution

The fourth proportional to 55,415.20, 83,031.60 and 32,000.80 is: 47,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,415.20 : 83,031.60 = 32,000.80 : x
  2. Step 2: Convert to fraction form
    55,415.20/83,031.60 = 32,000.80/x
  3. Step 3: Cross multiply
    55,415.20x = 83,031.60 × 32,000.80
  4. Step 4: Simplify right side
    55,415.20x = 2,657,077,625.28
  5. Step 5: Solve for x
    x = 2,657,077,625.28/55,415.20
  6. Step 6: Final answer
    x = 47,948.53

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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.