Home / 39,914.10-59,871.14-13,618.84

Finding the Fourth Proportional to 39,914.10, 59,871.14 and 13,618.84

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Solution

The fourth proportional to 39,914.10, 59,871.14 and 13,618.84 is: 20,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.10 : 59,871.14 = 13,618.84 : x
  2. Step 2: Convert to fraction form
    39,914.10/59,871.14 = 13,618.84/x
  3. Step 3: Cross multiply
    39,914.10x = 59,871.14 × 13,618.84
  4. Step 4: Simplify right side
    39,914.10x = 815,375,176.92
  5. Step 5: Solve for x
    x = 815,375,176.92/39,914.10
  6. Step 6: Final answer
    x = 20,428.25

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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.