Home / 40,778.16-56,272.98-22,872.78

Finding the Fourth Proportional to 40,778.16, 56,272.98 and 22,872.78

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Solution

The fourth proportional to 40,778.16, 56,272.98 and 22,872.78 is: 31,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.16 : 56,272.98 = 22,872.78 : x
  2. Step 2: Convert to fraction form
    40,778.16/56,272.98 = 22,872.78/x
  3. Step 3: Cross multiply
    40,778.16x = 56,272.98 × 22,872.78
  4. Step 4: Simplify right side
    40,778.16x = 1,287,119,491.48
  5. Step 5: Solve for x
    x = 1,287,119,491.48/40,778.16
  6. Step 6: Final answer
    x = 31,563.94

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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.