Home / 39,338.64-59,013.78-12,675.69

Finding the Fourth Proportional to 39,338.64, 59,013.78 and 12,675.69

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Solution

The fourth proportional to 39,338.64, 59,013.78 and 12,675.69 is: 19,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,338.64 : 59,013.78 = 12,675.69 : x
  2. Step 2: Convert to fraction form
    39,338.64/59,013.78 = 12,675.69/x
  3. Step 3: Cross multiply
    39,338.64x = 59,013.78 × 12,675.69
  4. Step 4: Simplify right side
    39,338.64x = 748,040,381.01
  5. Step 5: Solve for x
    x = 748,040,381.01/39,338.64
  6. Step 6: Final answer
    x = 19,015.41

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1.5x scale

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.