Home / 39,173.67-58,768.93-12,155.47

Finding the Fourth Proportional to 39,173.67, 58,768.93 and 12,155.47

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Solution

The fourth proportional to 39,173.67, 58,768.93 and 12,155.47 is: 18,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.67 : 58,768.93 = 12,155.47 : x
  2. Step 2: Convert to fraction form
    39,173.67/58,768.93 = 12,155.47/x
  3. Step 3: Cross multiply
    39,173.67x = 58,768.93 × 12,155.47
  4. Step 4: Simplify right side
    39,173.67x = 714,364,113.72
  5. Step 5: Solve for x
    x = 714,364,113.72/39,173.67
  6. Step 6: Final answer
    x = 18,235.82

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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.