Home / 42,239.57-63,441.36-31,102.27

Finding the Fourth Proportional to 42,239.57, 63,441.36 and 31,102.27

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Solution

The fourth proportional to 42,239.57, 63,441.36 and 31,102.27 is: 46,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,239.57 : 63,441.36 = 31,102.27 : x
  2. Step 2: Convert to fraction form
    42,239.57/63,441.36 = 31,102.27/x
  3. Step 3: Cross multiply
    42,239.57x = 63,441.36 × 31,102.27
  4. Step 4: Simplify right side
    42,239.57x = 1,973,170,149.28
  5. Step 5: Solve for x
    x = 1,973,170,149.28/42,239.57
  6. Step 6: Final answer
    x = 46,713.79

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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.