Home / 29,140.60-40,212.88-17,207.76

Finding the Fourth Proportional to 29,140.60, 40,212.88 and 17,207.76

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Solution

The fourth proportional to 29,140.60, 40,212.88 and 17,207.76 is: 23,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140.60 : 40,212.88 = 17,207.76 : x
  2. Step 2: Convert to fraction form
    29,140.60/40,212.88 = 17,207.76/x
  3. Step 3: Cross multiply
    29,140.60x = 40,212.88 × 17,207.76
  4. Step 4: Simplify right side
    29,140.60x = 691,973,587.95
  5. Step 5: Solve for x
    x = 691,973,587.95/29,140.60
  6. Step 6: Final answer
    x = 23,746.03

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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.