Home / 39,038.38-58,537.08-20,272.54

Finding the Fourth Proportional to 39,038.38, 58,537.08 and 20,272.54

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Solution

The fourth proportional to 39,038.38, 58,537.08 and 20,272.54 is: 30,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,038.38 : 58,537.08 = 20,272.54 : x
  2. Step 2: Convert to fraction form
    39,038.38/58,537.08 = 20,272.54/x
  3. Step 3: Cross multiply
    39,038.38x = 58,537.08 × 20,272.54
  4. Step 4: Simplify right side
    39,038.38x = 1,186,695,295.78
  5. Step 5: Solve for x
    x = 1,186,695,295.78/39,038.38
  6. Step 6: Final answer
    x = 30,398.17

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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.