Home / 39,309.81-58,945.28-14,348.85

Finding the Fourth Proportional to 39,309.81, 58,945.28 and 14,348.85

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Solution

The fourth proportional to 39,309.81, 58,945.28 and 14,348.85 is: 21,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,309.81 : 58,945.28 = 14,348.85 : x
  2. Step 2: Convert to fraction form
    39,309.81/58,945.28 = 14,348.85/x
  3. Step 3: Cross multiply
    39,309.81x = 58,945.28 × 14,348.85
  4. Step 4: Simplify right side
    39,309.81x = 845,796,909.18
  5. Step 5: Solve for x
    x = 845,796,909.18/39,309.81
  6. Step 6: Final answer
    x = 21,516.18

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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.