Home / 34,316.61-51,377.85-21,805.62

Finding the Fourth Proportional to 34,316.61, 51,377.85 and 21,805.62

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Solution

The fourth proportional to 34,316.61, 51,377.85 and 21,805.62 is: 32,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,316.61 : 51,377.85 = 21,805.62 : x
  2. Step 2: Convert to fraction form
    34,316.61/51,377.85 = 21,805.62/x
  3. Step 3: Cross multiply
    34,316.61x = 51,377.85 × 21,805.62
  4. Step 4: Simplify right side
    34,316.61x = 1,120,325,873.52
  5. Step 5: Solve for x
    x = 1,120,325,873.52/34,316.61
  6. Step 6: Final answer
    x = 32,646.75

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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.