Home / 37,955.78-56,927.82-12,990.10

Finding the Fourth Proportional to 37,955.78, 56,927.82 and 12,990.10

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Solution

The fourth proportional to 37,955.78, 56,927.82 and 12,990.10 is: 19,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,955.78 : 56,927.82 = 12,990.10 : x
  2. Step 2: Convert to fraction form
    37,955.78/56,927.82 = 12,990.10/x
  3. Step 3: Cross multiply
    37,955.78x = 56,927.82 × 12,990.10
  4. Step 4: Simplify right side
    37,955.78x = 739,497,863.67
  5. Step 5: Solve for x
    x = 739,497,863.67/37,955.78
  6. Step 6: Final answer
    x = 19,483.14

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Similar ratio
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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.