Home / 40,400.74-60,563.69-20,635.70

Finding the Fourth Proportional to 40,400.74, 60,563.69 and 20,635.70

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Solution

The fourth proportional to 40,400.74, 60,563.69 and 20,635.70 is: 30,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,400.74 : 60,563.69 = 20,635.70 : x
  2. Step 2: Convert to fraction form
    40,400.74/60,563.69 = 20,635.70/x
  3. Step 3: Cross multiply
    40,400.74x = 60,563.69 × 20,635.70
  4. Step 4: Simplify right side
    40,400.74x = 1,249,774,034.55
  5. Step 5: Solve for x
    x = 1,249,774,034.55/40,400.74
  6. Step 6: Final answer
    x = 30,934.44

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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.