Home / 39,053.53-58,565.71-12,751.21

Finding the Fourth Proportional to 39,053.53, 58,565.71 and 12,751.21

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Solution

The fourth proportional to 39,053.53, 58,565.71 and 12,751.21 is: 19,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,053.53 : 58,565.71 = 12,751.21 : x
  2. Step 2: Convert to fraction form
    39,053.53/58,565.71 = 12,751.21/x
  3. Step 3: Cross multiply
    39,053.53x = 58,565.71 × 12,751.21
  4. Step 4: Simplify right side
    39,053.53x = 746,783,667.01
  5. Step 5: Solve for x
    x = 746,783,667.01/39,053.53
  6. Step 6: Final answer
    x = 19,122.05

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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.