Home / 48,649.76-67,091.88-30,713.60

Finding the Fourth Proportional to 48,649.76, 67,091.88 and 30,713.60

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Solution

The fourth proportional to 48,649.76, 67,091.88 and 30,713.60 is: 42,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,649.76 : 67,091.88 = 30,713.60 : x
  2. Step 2: Convert to fraction form
    48,649.76/67,091.88 = 30,713.60/x
  3. Step 3: Cross multiply
    48,649.76x = 67,091.88 × 30,713.60
  4. Step 4: Simplify right side
    48,649.76x = 2,060,633,165.57
  5. Step 5: Solve for x
    x = 2,060,633,165.57/48,649.76
  6. Step 6: Final answer
    x = 42,356.49

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1.5x scale

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.