Home / 39,053.57-58,580.34-15,680

Finding the Fourth Proportional to 39,053.57, 58,580.34 and 15,680

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Solution

The fourth proportional to 39,053.57, 58,580.34 and 15,680 is: 23,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,053.57 : 58,580.34 = 15,680 : x
  2. Step 2: Convert to fraction form
    39,053.57/58,580.34 = 15,680/x
  3. Step 3: Cross multiply
    39,053.57x = 58,580.34 × 15,680
  4. Step 4: Simplify right side
    39,053.57x = 918,539,731.20
  5. Step 5: Solve for x
    x = 918,539,731.20/39,053.57
  6. Step 6: Final answer
    x = 23,519.99

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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.