Home / 40,207.28-55,483.32-22,301.60

Finding the Fourth Proportional to 40,207.28, 55,483.32 and 22,301.60

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Solution

The fourth proportional to 40,207.28, 55,483.32 and 22,301.60 is: 30,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,207.28 : 55,483.32 = 22,301.60 : x
  2. Step 2: Convert to fraction form
    40,207.28/55,483.32 = 22,301.60/x
  3. Step 3: Cross multiply
    40,207.28x = 55,483.32 × 22,301.60
  4. Step 4: Simplify right side
    40,207.28x = 1,237,366,809.31
  5. Step 5: Solve for x
    x = 1,237,366,809.31/40,207.28
  6. Step 6: Final answer
    x = 30,774.70

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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.