Home / 38,943.60-58,421.16-15,569.52

Finding the Fourth Proportional to 38,943.60, 58,421.16 and 15,569.52

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Solution

The fourth proportional to 38,943.60, 58,421.16 and 15,569.52 is: 23,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,943.60 : 58,421.16 = 15,569.52 : x
  2. Step 2: Convert to fraction form
    38,943.60/58,421.16 = 15,569.52/x
  3. Step 3: Cross multiply
    38,943.60x = 58,421.16 × 15,569.52
  4. Step 4: Simplify right side
    38,943.60x = 909,589,419.04
  5. Step 5: Solve for x
    x = 909,589,419.04/38,943.60
  6. Step 6: Final answer
    x = 23,356.58

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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.