Home / 47,035.21-70,574.42-20,389.33

Finding the Fourth Proportional to 47,035.21, 70,574.42 and 20,389.33

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Solution

The fourth proportional to 47,035.21, 70,574.42 and 20,389.33 is: 30,593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,035.21 : 70,574.42 = 20,389.33 : x
  2. Step 2: Convert to fraction form
    47,035.21/70,574.42 = 20,389.33/x
  3. Step 3: Cross multiply
    47,035.21x = 70,574.42 × 20,389.33
  4. Step 4: Simplify right side
    47,035.21x = 1,438,965,138.94
  5. Step 5: Solve for x
    x = 1,438,965,138.94/47,035.21
  6. Step 6: Final answer
    x = 30,593.36

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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.