Home / 51,447.88-77,210.70-21,886.53

Finding the Fourth Proportional to 51,447.88, 77,210.70 and 21,886.53

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Solution

The fourth proportional to 51,447.88, 77,210.70 and 21,886.53 is: 32,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447.88 : 77,210.70 = 21,886.53 : x
  2. Step 2: Convert to fraction form
    51,447.88/77,210.70 = 21,886.53/x
  3. Step 3: Cross multiply
    51,447.88x = 77,210.70 × 21,886.53
  4. Step 4: Simplify right side
    51,447.88x = 1,689,874,301.87
  5. Step 5: Solve for x
    x = 1,689,874,301.87/51,447.88
  6. Step 6: Final answer
    x = 32,846.34

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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.