Home / 48,909.49-67,558.40-40,445.80

Finding the Fourth Proportional to 48,909.49, 67,558.40 and 40,445.80

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Solution

The fourth proportional to 48,909.49, 67,558.40 and 40,445.80 is: 55,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,909.49 : 67,558.40 = 40,445.80 : x
  2. Step 2: Convert to fraction form
    48,909.49/67,558.40 = 40,445.80/x
  3. Step 3: Cross multiply
    48,909.49x = 67,558.40 × 40,445.80
  4. Step 4: Simplify right side
    48,909.49x = 2,732,453,357.21
  5. Step 5: Solve for x
    x = 2,732,453,357.21/48,909.49
  6. Step 6: Final answer
    x = 55,867.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.