Home / 55,773.64-76,948.72-31,883.40

Finding the Fourth Proportional to 55,773.64, 76,948.72 and 31,883.40

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Solution

The fourth proportional to 55,773.64, 76,948.72 and 31,883.40 is: 43,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,773.64 : 76,948.72 = 31,883.40 : x
  2. Step 2: Convert to fraction form
    55,773.64/76,948.72 = 31,883.40/x
  3. Step 3: Cross multiply
    55,773.64x = 76,948.72 × 31,883.40
  4. Step 4: Simplify right side
    55,773.64x = 2,453,386,819.25
  5. Step 5: Solve for x
    x = 2,453,386,819.25/55,773.64
  6. Step 6: Final answer
    x = 43,988.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.