Home / 51,837.96-77,903.19-30,781.65

Finding the Fourth Proportional to 51,837.96, 77,903.19 and 30,781.65

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Solution

The fourth proportional to 51,837.96, 77,903.19 and 30,781.65 is: 46,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,837.96 : 77,903.19 = 30,781.65 : x
  2. Step 2: Convert to fraction form
    51,837.96/77,903.19 = 30,781.65/x
  3. Step 3: Cross multiply
    51,837.96x = 77,903.19 × 30,781.65
  4. Step 4: Simplify right side
    51,837.96x = 2,397,988,728.46
  5. Step 5: Solve for x
    x = 2,397,988,728.46/51,837.96
  6. Step 6: Final answer
    x = 46,259.32

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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.