Home / 42,363.96-63,587.25-20,192.64

Finding the Fourth Proportional to 42,363.96, 63,587.25 and 20,192.64

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Solution

The fourth proportional to 42,363.96, 63,587.25 and 20,192.64 is: 30,308.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,363.96 : 63,587.25 = 20,192.64 : x
  2. Step 2: Convert to fraction form
    42,363.96/63,587.25 = 20,192.64/x
  3. Step 3: Cross multiply
    42,363.96x = 63,587.25 × 20,192.64
  4. Step 4: Simplify right side
    42,363.96x = 1,283,994,447.84
  5. Step 5: Solve for x
    x = 1,283,994,447.84/42,363.96
  6. Step 6: Final answer
    x = 30,308.65

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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.