Home / 34,172.40-47,157-19,065.52

Finding the Fourth Proportional to 34,172.40, 47,157 and 19,065.52

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Solution

The fourth proportional to 34,172.40, 47,157 and 19,065.52 is: 26,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,172.40 : 47,157 = 19,065.52 : x
  2. Step 2: Convert to fraction form
    34,172.40/47,157 = 19,065.52/x
  3. Step 3: Cross multiply
    34,172.40x = 47,157 × 19,065.52
  4. Step 4: Simplify right side
    34,172.40x = 899,072,726.64
  5. Step 5: Solve for x
    x = 899,072,726.64/34,172.40
  6. Step 6: Final answer
    x = 26,309.91

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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.