Home / 39,888.86-59,833.28-18,821.96

Finding the Fourth Proportional to 39,888.86, 59,833.28 and 18,821.96

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Solution

The fourth proportional to 39,888.86, 59,833.28 and 18,821.96 is: 28,232.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888.86 : 59,833.28 = 18,821.96 : x
  2. Step 2: Convert to fraction form
    39,888.86/59,833.28 = 18,821.96/x
  3. Step 3: Cross multiply
    39,888.86x = 59,833.28 × 18,821.96
  4. Step 4: Simplify right side
    39,888.86x = 1,126,179,602.83
  5. Step 5: Solve for x
    x = 1,126,179,602.83/39,888.86
  6. Step 6: Final answer
    x = 28,232.94

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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.