Home / 38,926.71-58,389.26-12,631.41

Finding the Fourth Proportional to 38,926.71, 58,389.26 and 12,631.41

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Solution

The fourth proportional to 38,926.71, 58,389.26 and 12,631.41 is: 18,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,926.71 : 58,389.26 = 12,631.41 : x
  2. Step 2: Convert to fraction form
    38,926.71/58,389.26 = 12,631.41/x
  3. Step 3: Cross multiply
    38,926.71x = 58,389.26 × 12,631.41
  4. Step 4: Simplify right side
    38,926.71x = 737,538,619.50
  5. Step 5: Solve for x
    x = 737,538,619.50/38,926.71
  6. Step 6: Final answer
    x = 18,946.85

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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.