Home / 34,535.76-47,655.49-19,428.11

Finding the Fourth Proportional to 34,535.76, 47,655.49 and 19,428.11

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Solution

The fourth proportional to 34,535.76, 47,655.49 and 19,428.11 is: 26,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,535.76 : 47,655.49 = 19,428.11 : x
  2. Step 2: Convert to fraction form
    34,535.76/47,655.49 = 19,428.11/x
  3. Step 3: Cross multiply
    34,535.76x = 47,655.49 × 19,428.11
  4. Step 4: Simplify right side
    34,535.76x = 925,855,766.41
  5. Step 5: Solve for x
    x = 925,855,766.41/34,535.76
  6. Step 6: Final answer
    x = 26,808.62

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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.