Home / 40,486.50-55,869.75-22,581.36

Finding the Fourth Proportional to 40,486.50, 55,869.75 and 22,581.36

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Solution

The fourth proportional to 40,486.50, 55,869.75 and 22,581.36 is: 31,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,486.50 : 55,869.75 = 22,581.36 : x
  2. Step 2: Convert to fraction form
    40,486.50/55,869.75 = 22,581.36/x
  3. Step 3: Cross multiply
    40,486.50x = 55,869.75 × 22,581.36
  4. Step 4: Simplify right side
    40,486.50x = 1,261,614,937.86
  5. Step 5: Solve for x
    x = 1,261,614,937.86/40,486.50
  6. Step 6: Final answer
    x = 31,161.37

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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.