Home / 40,207.15-55,487.70-22,301.08

Finding the Fourth Proportional to 40,207.15, 55,487.70 and 22,301.08

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Solution

The fourth proportional to 40,207.15, 55,487.70 and 22,301.08 is: 30,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,207.15 : 55,487.70 = 22,301.08 : x
  2. Step 2: Convert to fraction form
    40,207.15/55,487.70 = 22,301.08/x
  3. Step 3: Cross multiply
    40,207.15x = 55,487.70 × 22,301.08
  4. Step 4: Simplify right side
    40,207.15x = 1,237,435,636.72
  5. Step 5: Solve for x
    x = 1,237,435,636.72/40,207.15
  6. Step 6: Final answer
    x = 30,776.51

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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.