Home / 38,868.47-58,302.71-21,449.02

Finding the Fourth Proportional to 38,868.47, 58,302.71 and 21,449.02

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Solution

The fourth proportional to 38,868.47, 58,302.71 and 21,449.02 is: 32,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,868.47 : 58,302.71 = 21,449.02 : x
  2. Step 2: Convert to fraction form
    38,868.47/58,302.71 = 21,449.02/x
  3. Step 3: Cross multiply
    38,868.47x = 58,302.71 × 21,449.02
  4. Step 4: Simplify right side
    38,868.47x = 1,250,535,992.84
  5. Step 5: Solve for x
    x = 1,250,535,992.84/38,868.47
  6. Step 6: Final answer
    x = 32,173.53

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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.