Home / 42,525.72-63,747.20-20,333.34

Finding the Fourth Proportional to 42,525.72, 63,747.20 and 20,333.34

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Solution

The fourth proportional to 42,525.72, 63,747.20 and 20,333.34 is: 30,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,525.72 : 63,747.20 = 20,333.34 : x
  2. Step 2: Convert to fraction form
    42,525.72/63,747.20 = 20,333.34/x
  3. Step 3: Cross multiply
    42,525.72x = 63,747.20 × 20,333.34
  4. Step 4: Simplify right side
    42,525.72x = 1,296,193,491.65
  5. Step 5: Solve for x
    x = 1,296,193,491.65/42,525.72
  6. Step 6: Final answer
    x = 30,480.22

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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.