Home / 39,799.40-59,685.74-20,065.40

Finding the Fourth Proportional to 39,799.40, 59,685.74 and 20,065.40

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Solution

The fourth proportional to 39,799.40, 59,685.74 and 20,065.40 is: 30,091.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,799.40 : 59,685.74 = 20,065.40 : x
  2. Step 2: Convert to fraction form
    39,799.40/59,685.74 = 20,065.40/x
  3. Step 3: Cross multiply
    39,799.40x = 59,685.74 × 20,065.40
  4. Step 4: Simplify right side
    39,799.40x = 1,197,618,247.40
  5. Step 5: Solve for x
    x = 1,197,618,247.40/39,799.40
  6. Step 6: Final answer
    x = 30,091.36

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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.