Home / 51,537.78-77,233.77-21,925.80

Finding the Fourth Proportional to 51,537.78, 77,233.77 and 21,925.80

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Solution

The fourth proportional to 51,537.78, 77,233.77 and 21,925.80 is: 32,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,537.78 : 77,233.77 = 21,925.80 : x
  2. Step 2: Convert to fraction form
    51,537.78/77,233.77 = 21,925.80/x
  3. Step 3: Cross multiply
    51,537.78x = 77,233.77 × 21,925.80
  4. Step 4: Simplify right side
    51,537.78x = 1,693,412,194.27
  5. Step 5: Solve for x
    x = 1,693,412,194.27/51,537.78
  6. Step 6: Final answer
    x = 32,857.69

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1.5x scale

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.