Home / 42,207.86-63,293.32-20,027.56

Finding the Fourth Proportional to 42,207.86, 63,293.32 and 20,027.56

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Solution

The fourth proportional to 42,207.86, 63,293.32 and 20,027.56 is: 30,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,207.86 : 63,293.32 = 20,027.56 : x
  2. Step 2: Convert to fraction form
    42,207.86/63,293.32 = 20,027.56/x
  3. Step 3: Cross multiply
    42,207.86x = 63,293.32 × 20,027.56
  4. Step 4: Simplify right side
    42,207.86x = 1,267,610,763.90
  5. Step 5: Solve for x
    x = 1,267,610,763.90/42,207.86
  6. Step 6: Final answer
    x = 30,032.58

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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.