Home / 51,781.65-77,671.68-23,298.48

Finding the Fourth Proportional to 51,781.65, 77,671.68 and 23,298.48

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Solution

The fourth proportional to 51,781.65, 77,671.68 and 23,298.48 is: 34,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,781.65 : 77,671.68 = 23,298.48 : x
  2. Step 2: Convert to fraction form
    51,781.65/77,671.68 = 23,298.48/x
  3. Step 3: Cross multiply
    51,781.65x = 77,671.68 × 23,298.48
  4. Step 4: Simplify right side
    51,781.65x = 1,809,632,083.05
  5. Step 5: Solve for x
    x = 1,809,632,083.05/51,781.65
  6. Step 6: Final answer
    x = 34,947.36

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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.