Home / 51,948.74-77,903.98-18,659.87

Finding the Fourth Proportional to 51,948.74, 77,903.98 and 18,659.87

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Solution

The fourth proportional to 51,948.74, 77,903.98 and 18,659.87 is: 27,982.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,948.74 : 77,903.98 = 18,659.87 : x
  2. Step 2: Convert to fraction form
    51,948.74/77,903.98 = 18,659.87/x
  3. Step 3: Cross multiply
    51,948.74x = 77,903.98 × 18,659.87
  4. Step 4: Simplify right side
    51,948.74x = 1,453,677,995.25
  5. Step 5: Solve for x
    x = 1,453,677,995.25/51,948.74
  6. Step 6: Final answer
    x = 27,982.93

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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.