Home / 39,689.87-59,531.18-13,394.84

Finding the Fourth Proportional to 39,689.87, 59,531.18 and 13,394.84

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Solution

The fourth proportional to 39,689.87, 59,531.18 and 13,394.84 is: 20,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,689.87 : 59,531.18 = 13,394.84 : x
  2. Step 2: Convert to fraction form
    39,689.87/59,531.18 = 13,394.84/x
  3. Step 3: Cross multiply
    39,689.87x = 59,531.18 × 13,394.84
  4. Step 4: Simplify right side
    39,689.87x = 797,410,266.48
  5. Step 5: Solve for x
    x = 797,410,266.48/39,689.87
  6. Step 6: Final answer
    x = 20,091.03

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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.