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Finding the Fourth Proportional to 40,295.40, 60,452.70 and 19,501.80

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Solution

The fourth proportional to 40,295.40, 60,452.70 and 19,501.80 is: 29,257.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,295.40 : 60,452.70 = 19,501.80 : x
  2. Step 2: Convert to fraction form
    40,295.40/60,452.70 = 19,501.80/x
  3. Step 3: Cross multiply
    40,295.40x = 60,452.70 × 19,501.80
  4. Step 4: Simplify right side
    40,295.40x = 1,178,936,464.86
  5. Step 5: Solve for x
    x = 1,178,936,464.86/40,295.40
  6. Step 6: Final answer
    x = 29,257.35

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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.