Home / 37,946.33-56,917.79-12,988.61

Finding the Fourth Proportional to 37,946.33, 56,917.79 and 12,988.61

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Solution

The fourth proportional to 37,946.33, 56,917.79 and 12,988.61 is: 19,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,946.33 : 56,917.79 = 12,988.61 : x
  2. Step 2: Convert to fraction form
    37,946.33/56,917.79 = 12,988.61/x
  3. Step 3: Cross multiply
    37,946.33x = 56,917.79 × 12,988.61
  4. Step 4: Simplify right side
    37,946.33x = 739,282,691.78
  5. Step 5: Solve for x
    x = 739,282,691.78/37,946.33
  6. Step 6: Final answer
    x = 19,482.33

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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.