Home / 40,064.65-55,290.17-22,160.00

Finding the Fourth Proportional to 40,064.65, 55,290.17 and 22,160.00

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Solution

The fourth proportional to 40,064.65, 55,290.17 and 22,160.00 is: 30,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.65 : 55,290.17 = 22,160.00 : x
  2. Step 2: Convert to fraction form
    40,064.65/55,290.17 = 22,160.00/x
  3. Step 3: Cross multiply
    40,064.65x = 55,290.17 × 22,160.00
  4. Step 4: Simplify right side
    40,064.65x = 1,225,230,360.83
  5. Step 5: Solve for x
    x = 1,225,230,360.83/40,064.65
  6. Step 6: Final answer
    x = 30,581.33

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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.