Home / 51,888.05-77,856.68-30,869.61

Finding the Fourth Proportional to 51,888.05, 77,856.68 and 30,869.61

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Solution

The fourth proportional to 51,888.05, 77,856.68 and 30,869.61 is: 46,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,888.05 : 77,856.68 = 30,869.61 : x
  2. Step 2: Convert to fraction form
    51,888.05/77,856.68 = 30,869.61/x
  3. Step 3: Cross multiply
    51,888.05x = 77,856.68 × 30,869.61
  4. Step 4: Simplify right side
    51,888.05x = 2,403,405,397.01
  5. Step 5: Solve for x
    x = 2,403,405,397.01/51,888.05
  6. Step 6: Final answer
    x = 46,319.06

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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.