Home / 51,512.08-77,274.20-18,225.20

Finding the Fourth Proportional to 51,512.08, 77,274.20 and 18,225.20

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Solution

The fourth proportional to 51,512.08, 77,274.20 and 18,225.20 is: 27,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,512.08 : 77,274.20 = 18,225.20 : x
  2. Step 2: Convert to fraction form
    51,512.08/77,274.20 = 18,225.20/x
  3. Step 3: Cross multiply
    51,512.08x = 77,274.20 × 18,225.20
  4. Step 4: Simplify right side
    51,512.08x = 1,408,337,749.84
  5. Step 5: Solve for x
    x = 1,408,337,749.84/51,512.08
  6. Step 6: Final answer
    x = 27,339.95

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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.