Home / 40,860.40-56,385.20-22,956.16

Finding the Fourth Proportional to 40,860.40, 56,385.20 and 22,956.16

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Solution

The fourth proportional to 40,860.40, 56,385.20 and 22,956.16 is: 31,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,860.40 : 56,385.20 = 22,956.16 : x
  2. Step 2: Convert to fraction form
    40,860.40/56,385.20 = 22,956.16/x
  3. Step 3: Cross multiply
    40,860.40x = 56,385.20 × 22,956.16
  4. Step 4: Simplify right side
    40,860.40x = 1,294,387,672.83
  5. Step 5: Solve for x
    x = 1,294,387,672.83/40,860.40
  6. Step 6: Final answer
    x = 31,678.29

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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.