Home / 40,117.65-55,364.08-22,212.65

Finding the Fourth Proportional to 40,117.65, 55,364.08 and 22,212.65

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Solution

The fourth proportional to 40,117.65, 55,364.08 and 22,212.65 is: 30,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.65 : 55,364.08 = 22,212.65 : x
  2. Step 2: Convert to fraction form
    40,117.65/55,364.08 = 22,212.65/x
  3. Step 3: Cross multiply
    40,117.65x = 55,364.08 × 22,212.65
  4. Step 4: Simplify right side
    40,117.65x = 1,229,782,931.61
  5. Step 5: Solve for x
    x = 1,229,782,931.61/40,117.65
  6. Step 6: Final answer
    x = 30,654.41

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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.