Home / 43,191.44-64,748.28-15,470

Finding the Fourth Proportional to 43,191.44, 64,748.28 and 15,470

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Solution

The fourth proportional to 43,191.44, 64,748.28 and 15,470 is: 23,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,191.44 : 64,748.28 = 15,470 : x
  2. Step 2: Convert to fraction form
    43,191.44/64,748.28 = 15,470/x
  3. Step 3: Cross multiply
    43,191.44x = 64,748.28 × 15,470
  4. Step 4: Simplify right side
    43,191.44x = 1,001,655,891.60
  5. Step 5: Solve for x
    x = 1,001,655,891.60/43,191.44
  6. Step 6: Final answer
    x = 23,191.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.