Home / 39,338.80-59,009.88-13,045.84

Finding the Fourth Proportional to 39,338.80, 59,009.88 and 13,045.84

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Solution

The fourth proportional to 39,338.80, 59,009.88 and 13,045.84 is: 19,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,338.80 : 59,009.88 = 13,045.84 : x
  2. Step 2: Convert to fraction form
    39,338.80/59,009.88 = 13,045.84/x
  3. Step 3: Cross multiply
    39,338.80x = 59,009.88 × 13,045.84
  4. Step 4: Simplify right side
    39,338.80x = 769,833,452.90
  5. Step 5: Solve for x
    x = 769,833,452.90/39,338.80
  6. Step 6: Final answer
    x = 19,569.32

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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.