Home / 40,423.20-60,634.80-34,518.30

Finding the Fourth Proportional to 40,423.20, 60,634.80 and 34,518.30

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Solution

The fourth proportional to 40,423.20, 60,634.80 and 34,518.30 is: 51,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.20 : 60,634.80 = 34,518.30 : x
  2. Step 2: Convert to fraction form
    40,423.20/60,634.80 = 34,518.30/x
  3. Step 3: Cross multiply
    40,423.20x = 60,634.80 × 34,518.30
  4. Step 4: Simplify right side
    40,423.20x = 2,093,010,216.84
  5. Step 5: Solve for x
    x = 2,093,010,216.84/40,423.20
  6. Step 6: Final answer
    x = 51,777.45

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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.