Home / 40,535.40-60,770.70-17,142.60

Finding the Fourth Proportional to 40,535.40, 60,770.70 and 17,142.60

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Solution

The fourth proportional to 40,535.40, 60,770.70 and 17,142.60 is: 25,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,535.40 : 60,770.70 = 17,142.60 : x
  2. Step 2: Convert to fraction form
    40,535.40/60,770.70 = 17,142.60/x
  3. Step 3: Cross multiply
    40,535.40x = 60,770.70 × 17,142.60
  4. Step 4: Simplify right side
    40,535.40x = 1,041,767,801.82
  5. Step 5: Solve for x
    x = 1,041,767,801.82/40,535.40
  6. Step 6: Final answer
    x = 25,700.20

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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.