Home / 39,173.08-58,747.16-12,871.72

Finding the Fourth Proportional to 39,173.08, 58,747.16 and 12,871.72

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Solution

The fourth proportional to 39,173.08, 58,747.16 and 12,871.72 is: 19,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.08 : 58,747.16 = 12,871.72 : x
  2. Step 2: Convert to fraction form
    39,173.08/58,747.16 = 12,871.72/x
  3. Step 3: Cross multiply
    39,173.08x = 58,747.16 × 12,871.72
  4. Step 4: Simplify right side
    39,173.08x = 756,176,994.32
  5. Step 5: Solve for x
    x = 756,176,994.32/39,173.08
  6. Step 6: Final answer
    x = 19,303.49

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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.