Home / 42,285.84-63,441.22-12,708.19

Finding the Fourth Proportional to 42,285.84, 63,441.22 and 12,708.19

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Solution

The fourth proportional to 42,285.84, 63,441.22 and 12,708.19 is: 19,066.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285.84 : 63,441.22 = 12,708.19 : x
  2. Step 2: Convert to fraction form
    42,285.84/63,441.22 = 12,708.19/x
  3. Step 3: Cross multiply
    42,285.84x = 63,441.22 × 12,708.19
  4. Step 4: Simplify right side
    42,285.84x = 806,222,696.84
  5. Step 5: Solve for x
    x = 806,222,696.84/42,285.84
  6. Step 6: Final answer
    x = 19,066.02

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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.