Home / 37,689.75-56,560.55-13,065.75

Finding the Fourth Proportional to 37,689.75, 56,560.55 and 13,065.75

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Solution

The fourth proportional to 37,689.75, 56,560.55 and 13,065.75 is: 19,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,689.75 : 56,560.55 = 13,065.75 : x
  2. Step 2: Convert to fraction form
    37,689.75/56,560.55 = 13,065.75/x
  3. Step 3: Cross multiply
    37,689.75x = 56,560.55 × 13,065.75
  4. Step 4: Simplify right side
    37,689.75x = 739,005,940.83
  5. Step 5: Solve for x
    x = 739,005,940.83/37,689.75
  6. Step 6: Final answer
    x = 19,607.61

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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.