Home / 39,353.40-59,047.55-20,628.97

Finding the Fourth Proportional to 39,353.40, 59,047.55 and 20,628.97

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Solution

The fourth proportional to 39,353.40, 59,047.55 and 20,628.97 is: 30,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.40 : 59,047.55 = 20,628.97 : x
  2. Step 2: Convert to fraction form
    39,353.40/59,047.55 = 20,628.97/x
  3. Step 3: Cross multiply
    39,353.40x = 59,047.55 × 20,628.97
  4. Step 4: Simplify right side
    39,353.40x = 1,218,089,964.12
  5. Step 5: Solve for x
    x = 1,218,089,964.12/39,353.40
  6. Step 6: Final answer
    x = 30,952.60

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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.