Home / 34,139.13-47,112.20-19,032.75

Finding the Fourth Proportional to 34,139.13, 47,112.20 and 19,032.75

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Solution

The fourth proportional to 34,139.13, 47,112.20 and 19,032.75 is: 26,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,139.13 : 47,112.20 = 19,032.75 : x
  2. Step 2: Convert to fraction form
    34,139.13/47,112.20 = 19,032.75/x
  3. Step 3: Cross multiply
    34,139.13x = 47,112.20 × 19,032.75
  4. Step 4: Simplify right side
    34,139.13x = 896,674,629.39
  5. Step 5: Solve for x
    x = 896,674,629.39/34,139.13
  6. Step 6: Final answer
    x = 26,265.30

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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.