Home / 39,312.81-58,977.72-13,016.61

Finding the Fourth Proportional to 39,312.81, 58,977.72 and 13,016.61

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Solution

The fourth proportional to 39,312.81, 58,977.72 and 13,016.61 is: 19,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312.81 : 58,977.72 = 13,016.61 : x
  2. Step 2: Convert to fraction form
    39,312.81/58,977.72 = 13,016.61/x
  3. Step 3: Cross multiply
    39,312.81x = 58,977.72 × 13,016.61
  4. Step 4: Simplify right side
    39,312.81x = 767,689,979.93
  5. Step 5: Solve for x
    x = 767,689,979.93/39,312.81
  6. Step 6: Final answer
    x = 19,527.73

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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.