Home / 34,148.52-47,127.78-19,039.14

Finding the Fourth Proportional to 34,148.52, 47,127.78 and 19,039.14

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Solution

The fourth proportional to 34,148.52, 47,127.78 and 19,039.14 is: 26,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,148.52 : 47,127.78 = 19,039.14 : x
  2. Step 2: Convert to fraction form
    34,148.52/47,127.78 = 19,039.14/x
  3. Step 3: Cross multiply
    34,148.52x = 47,127.78 × 19,039.14
  4. Step 4: Simplify right side
    34,148.52x = 897,272,401.31
  5. Step 5: Solve for x
    x = 897,272,401.31/34,148.52
  6. Step 6: Final answer
    x = 26,275.59

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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.