Home / 55,461.20-83,191.80-40,516.70

Finding the Fourth Proportional to 55,461.20, 83,191.80 and 40,516.70

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Solution

The fourth proportional to 55,461.20, 83,191.80 and 40,516.70 is: 60,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,461.20 : 83,191.80 = 40,516.70 : x
  2. Step 2: Convert to fraction form
    55,461.20/83,191.80 = 40,516.70/x
  3. Step 3: Cross multiply
    55,461.20x = 83,191.80 × 40,516.70
  4. Step 4: Simplify right side
    55,461.20x = 3,370,657,203.06
  5. Step 5: Solve for x
    x = 3,370,657,203.06/55,461.20
  6. Step 6: Final answer
    x = 60,775.05

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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.