Home / 31,762.80-47,617.44-20,050.20

Finding the Fourth Proportional to 31,762.80, 47,617.44 and 20,050.20

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Solution

The fourth proportional to 31,762.80, 47,617.44 and 20,050.20 is: 30,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,762.80 : 47,617.44 = 20,050.20 : x
  2. Step 2: Convert to fraction form
    31,762.80/47,617.44 = 20,050.20/x
  3. Step 3: Cross multiply
    31,762.80x = 47,617.44 × 20,050.20
  4. Step 4: Simplify right side
    31,762.80x = 954,739,195.49
  5. Step 5: Solve for x
    x = 954,739,195.49/31,762.80
  6. Step 6: Final answer
    x = 30,058.41

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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.