Home / 39,301.76-58,959.04-11,602.56

Finding the Fourth Proportional to 39,301.76, 58,959.04 and 11,602.56

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Solution

The fourth proportional to 39,301.76, 58,959.04 and 11,602.56 is: 17,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,301.76 : 58,959.04 = 11,602.56 : x
  2. Step 2: Convert to fraction form
    39,301.76/58,959.04 = 11,602.56/x
  3. Step 3: Cross multiply
    39,301.76x = 58,959.04 × 11,602.56
  4. Step 4: Simplify right side
    39,301.76x = 684,075,799.14
  5. Step 5: Solve for x
    x = 684,075,799.14/39,301.76
  6. Step 6: Final answer
    x = 17,405.73

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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.