Home / 53,146.61-79,704.78-18,085.49

Finding the Fourth Proportional to 53,146.61, 79,704.78 and 18,085.49

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Solution

The fourth proportional to 53,146.61, 79,704.78 and 18,085.49 is: 27,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.61 : 79,704.78 = 18,085.49 : x
  2. Step 2: Convert to fraction form
    53,146.61/79,704.78 = 18,085.49/x
  3. Step 3: Cross multiply
    53,146.61x = 79,704.78 × 18,085.49
  4. Step 4: Simplify right side
    53,146.61x = 1,441,500,001.64
  5. Step 5: Solve for x
    x = 1,441,500,001.64/53,146.61
  6. Step 6: Final answer
    x = 27,123.08

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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.