Home / 51,258.24-76,887.90-21,672.18

Finding the Fourth Proportional to 51,258.24, 76,887.90 and 21,672.18

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Solution

The fourth proportional to 51,258.24, 76,887.90 and 21,672.18 is: 32,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,258.24 : 76,887.90 = 21,672.18 : x
  2. Step 2: Convert to fraction form
    51,258.24/76,887.90 = 21,672.18/x
  3. Step 3: Cross multiply
    51,258.24x = 76,887.90 × 21,672.18
  4. Step 4: Simplify right side
    51,258.24x = 1,666,328,408.62
  5. Step 5: Solve for x
    x = 1,666,328,408.62/51,258.24
  6. Step 6: Final answer
    x = 32,508.50

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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.