Home / 42,627.96-63,941.94-19,248.12

Finding the Fourth Proportional to 42,627.96, 63,941.94 and 19,248.12

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Solution

The fourth proportional to 42,627.96, 63,941.94 and 19,248.12 is: 28,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,627.96 : 63,941.94 = 19,248.12 : x
  2. Step 2: Convert to fraction form
    42,627.96/63,941.94 = 19,248.12/x
  3. Step 3: Cross multiply
    42,627.96x = 63,941.94 × 19,248.12
  4. Step 4: Simplify right side
    42,627.96x = 1,230,762,134.15
  5. Step 5: Solve for x
    x = 1,230,762,134.15/42,627.96
  6. Step 6: Final answer
    x = 28,872.18

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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.