Home / 37,278.88-55,922.12-12,319

Finding the Fourth Proportional to 37,278.88, 55,922.12 and 12,319

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Solution

The fourth proportional to 37,278.88, 55,922.12 and 12,319 is: 18,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.88 : 55,922.12 = 12,319 : x
  2. Step 2: Convert to fraction form
    37,278.88/55,922.12 = 12,319/x
  3. Step 3: Cross multiply
    37,278.88x = 55,922.12 × 12,319
  4. Step 4: Simplify right side
    37,278.88x = 688,904,596.28
  5. Step 5: Solve for x
    x = 688,904,596.28/37,278.88
  6. Step 6: Final answer
    x = 18,479.76

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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.