Home / 39,471.84-59,121.09-28,399.95

Finding the Fourth Proportional to 39,471.84, 59,121.09 and 28,399.95

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Solution

The fourth proportional to 39,471.84, 59,121.09 and 28,399.95 is: 42,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.84 : 59,121.09 = 28,399.95 : x
  2. Step 2: Convert to fraction form
    39,471.84/59,121.09 = 28,399.95/x
  3. Step 3: Cross multiply
    39,471.84x = 59,121.09 × 28,399.95
  4. Step 4: Simplify right side
    39,471.84x = 1,679,035,999.95
  5. Step 5: Solve for x
    x = 1,679,035,999.95/39,471.84
  6. Step 6: Final answer
    x = 42,537.57

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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.