Home / 39,018.80-58,537.52-12,723.57

Finding the Fourth Proportional to 39,018.80, 58,537.52 and 12,723.57

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Solution

The fourth proportional to 39,018.80, 58,537.52 and 12,723.57 is: 19,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018.80 : 58,537.52 = 12,723.57 : x
  2. Step 2: Convert to fraction form
    39,018.80/58,537.52 = 12,723.57/x
  3. Step 3: Cross multiply
    39,018.80x = 58,537.52 × 12,723.57
  4. Step 4: Simplify right side
    39,018.80x = 744,806,169.73
  5. Step 5: Solve for x
    x = 744,806,169.73/39,018.80
  6. Step 6: Final answer
    x = 19,088.39

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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.