Home / 38,681.44-58,022.67-12,386.18

Finding the Fourth Proportional to 38,681.44, 58,022.67 and 12,386.18

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Solution

The fourth proportional to 38,681.44, 58,022.67 and 12,386.18 is: 18,579.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,681.44 : 58,022.67 = 12,386.18 : x
  2. Step 2: Convert to fraction form
    38,681.44/58,022.67 = 12,386.18/x
  3. Step 3: Cross multiply
    38,681.44x = 58,022.67 × 12,386.18
  4. Step 4: Simplify right side
    38,681.44x = 718,679,391.37
  5. Step 5: Solve for x
    x = 718,679,391.37/38,681.44
  6. Step 6: Final answer
    x = 18,579.44

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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.