Home / 39,976.23-59,953.89-11,888.72

Finding the Fourth Proportional to 39,976.23, 59,953.89 and 11,888.72

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Solution

The fourth proportional to 39,976.23, 59,953.89 and 11,888.72 is: 17,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.23 : 59,953.89 = 11,888.72 : x
  2. Step 2: Convert to fraction form
    39,976.23/59,953.89 = 11,888.72/x
  3. Step 3: Cross multiply
    39,976.23x = 59,953.89 × 11,888.72
  4. Step 4: Simplify right side
    39,976.23x = 712,774,711.35
  5. Step 5: Solve for x
    x = 712,774,711.35/39,976.23
  6. Step 6: Final answer
    x = 17,829.96

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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.