Home / 40,778.98-56,275.97-22,875.31

Finding the Fourth Proportional to 40,778.98, 56,275.97 and 22,875.31

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Solution

The fourth proportional to 40,778.98, 56,275.97 and 22,875.31 is: 31,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.98 : 56,275.97 = 22,875.31 : x
  2. Step 2: Convert to fraction form
    40,778.98/56,275.97 = 22,875.31/x
  3. Step 3: Cross multiply
    40,778.98x = 56,275.97 × 22,875.31
  4. Step 4: Simplify right side
    40,778.98x = 1,287,330,259.30
  5. Step 5: Solve for x
    x = 1,287,330,259.30/40,778.98
  6. Step 6: Final answer
    x = 31,568.48

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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.