Home / 39,053.60-58,619.28-21,531.68

Finding the Fourth Proportional to 39,053.60, 58,619.28 and 21,531.68

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Solution

The fourth proportional to 39,053.60, 58,619.28 and 21,531.68 is: 32,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,053.60 : 58,619.28 = 21,531.68 : x
  2. Step 2: Convert to fraction form
    39,053.60/58,619.28 = 21,531.68/x
  3. Step 3: Cross multiply
    39,053.60x = 58,619.28 × 21,531.68
  4. Step 4: Simplify right side
    39,053.60x = 1,262,171,578.79
  5. Step 5: Solve for x
    x = 1,262,171,578.79/39,053.60
  6. Step 6: Final answer
    x = 32,318.96

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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.