Home / 39,034.90-58,570.47-12,385.09

Finding the Fourth Proportional to 39,034.90, 58,570.47 and 12,385.09

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Solution

The fourth proportional to 39,034.90, 58,570.47 and 12,385.09 is: 18,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034.90 : 58,570.47 = 12,385.09 : x
  2. Step 2: Convert to fraction form
    39,034.90/58,570.47 = 12,385.09/x
  3. Step 3: Cross multiply
    39,034.90x = 58,570.47 × 12,385.09
  4. Step 4: Simplify right side
    39,034.90x = 725,400,542.29
  5. Step 5: Solve for x
    x = 725,400,542.29/39,034.90
  6. Step 6: Final answer
    x = 18,583.38

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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.