Home / 40,207.90-55,484.64-22,301.62

Finding the Fourth Proportional to 40,207.90, 55,484.64 and 22,301.62

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Solution

The fourth proportional to 40,207.90, 55,484.64 and 22,301.62 is: 30,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,207.90 : 55,484.64 = 22,301.62 : x
  2. Step 2: Convert to fraction form
    40,207.90/55,484.64 = 22,301.62/x
  3. Step 3: Cross multiply
    40,207.90x = 55,484.64 × 22,301.62
  4. Step 4: Simplify right side
    40,207.90x = 1,237,397,357.12
  5. Step 5: Solve for x
    x = 1,237,397,357.12/40,207.90
  6. Step 6: Final answer
    x = 30,774.98

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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.