Home / 39,138.93-58,662.99-18,034.65

Finding the Fourth Proportional to 39,138.93, 58,662.99 and 18,034.65

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Solution

The fourth proportional to 39,138.93, 58,662.99 and 18,034.65 is: 27,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,138.93 : 58,662.99 = 18,034.65 : x
  2. Step 2: Convert to fraction form
    39,138.93/58,662.99 = 18,034.65/x
  3. Step 3: Cross multiply
    39,138.93x = 58,662.99 × 18,034.65
  4. Step 4: Simplify right side
    39,138.93x = 1,057,966,492.60
  5. Step 5: Solve for x
    x = 1,057,966,492.60/39,138.93
  6. Step 6: Final answer
    x = 27,031.05

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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.