Home / 51,547.92-71,129.48-30,319.44

Finding the Fourth Proportional to 51,547.92, 71,129.48 and 30,319.44

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Solution

The fourth proportional to 51,547.92, 71,129.48 and 30,319.44 is: 41,836.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,547.92 : 71,129.48 = 30,319.44 : x
  2. Step 2: Convert to fraction form
    51,547.92/71,129.48 = 30,319.44/x
  3. Step 3: Cross multiply
    51,547.92x = 71,129.48 × 30,319.44
  4. Step 4: Simplify right side
    51,547.92x = 2,156,606,001.09
  5. Step 5: Solve for x
    x = 2,156,606,001.09/51,547.92
  6. Step 6: Final answer
    x = 41,836.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.