Home / 42,316.35-63,474.39-12,734.15

Finding the Fourth Proportional to 42,316.35, 63,474.39 and 12,734.15

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Solution

The fourth proportional to 42,316.35, 63,474.39 and 12,734.15 is: 19,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,316.35 : 63,474.39 = 12,734.15 : x
  2. Step 2: Convert to fraction form
    42,316.35/63,474.39 = 12,734.15/x
  3. Step 3: Cross multiply
    42,316.35x = 63,474.39 × 12,734.15
  4. Step 4: Simplify right side
    42,316.35x = 808,292,086.05
  5. Step 5: Solve for x
    x = 808,292,086.05/42,316.35
  6. Step 6: Final answer
    x = 19,101.18

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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.