Home / 38,784.63-58,177.23-21,244.89

Finding the Fourth Proportional to 38,784.63, 58,177.23 and 21,244.89

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Solution

The fourth proportional to 38,784.63, 58,177.23 and 21,244.89 is: 31,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784.63 : 58,177.23 = 21,244.89 : x
  2. Step 2: Convert to fraction form
    38,784.63/58,177.23 = 21,244.89/x
  3. Step 3: Cross multiply
    38,784.63x = 58,177.23 × 21,244.89
  4. Step 4: Simplify right side
    38,784.63x = 1,235,968,851.85
  5. Step 5: Solve for x
    x = 1,235,968,851.85/38,784.63
  6. Step 6: Final answer
    x = 31,867.49

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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.