Home / 40,877.20-56,407.05-22,970.80

Finding the Fourth Proportional to 40,877.20, 56,407.05 and 22,970.80

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Solution

The fourth proportional to 40,877.20, 56,407.05 and 22,970.80 is: 31,697.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,877.20 : 56,407.05 = 22,970.80 : x
  2. Step 2: Convert to fraction form
    40,877.20/56,407.05 = 22,970.80/x
  3. Step 3: Cross multiply
    40,877.20x = 56,407.05 × 22,970.80
  4. Step 4: Simplify right side
    40,877.20x = 1,295,715,064.14
  5. Step 5: Solve for x
    x = 1,295,715,064.14/40,877.20
  6. Step 6: Final answer
    x = 31,697.75

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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.