Home / 37,943.92-56,926.68-12,987.28

Finding the Fourth Proportional to 37,943.92, 56,926.68 and 12,987.28

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Solution

The fourth proportional to 37,943.92, 56,926.68 and 12,987.28 is: 19,484.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,943.92 : 56,926.68 = 12,987.28 : x
  2. Step 2: Convert to fraction form
    37,943.92/56,926.68 = 12,987.28/x
  3. Step 3: Cross multiply
    37,943.92x = 56,926.68 × 12,987.28
  4. Step 4: Simplify right side
    37,943.92x = 739,322,732.63
  5. Step 5: Solve for x
    x = 739,322,732.63/37,943.92
  6. Step 6: Final answer
    x = 19,484.62

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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.