Home / 31,255.20-46,887.36-9,068.70

Finding the Fourth Proportional to 31,255.20, 46,887.36 and 9,068.70

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Solution

The fourth proportional to 31,255.20, 46,887.36 and 9,068.70 is: 13,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.20 : 46,887.36 = 9,068.70 : x
  2. Step 2: Convert to fraction form
    31,255.20/46,887.36 = 9,068.70/x
  3. Step 3: Cross multiply
    31,255.20x = 46,887.36 × 9,068.70
  4. Step 4: Simplify right side
    31,255.20x = 425,207,401.63
  5. Step 5: Solve for x
    x = 425,207,401.63/31,255.20
  6. Step 6: Final answer
    x = 13,604.37

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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.