Home / 39,439.68-59,121.24-15,740.38

Finding the Fourth Proportional to 39,439.68, 59,121.24 and 15,740.38

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Solution

The fourth proportional to 39,439.68, 59,121.24 and 15,740.38 is: 23,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.68 : 59,121.24 = 15,740.38 : x
  2. Step 2: Convert to fraction form
    39,439.68/59,121.24 = 15,740.38/x
  3. Step 3: Cross multiply
    39,439.68x = 59,121.24 × 15,740.38
  4. Step 4: Simplify right side
    39,439.68x = 930,590,783.67
  5. Step 5: Solve for x
    x = 930,590,783.67/39,439.68
  6. Step 6: Final answer
    x = 23,595.29

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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.