Home / 42,258.18-63,383.48-12,682.62

Finding the Fourth Proportional to 42,258.18, 63,383.48 and 12,682.62

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Solution

The fourth proportional to 42,258.18, 63,383.48 and 12,682.62 is: 19,022.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,258.18 : 63,383.48 = 12,682.62 : x
  2. Step 2: Convert to fraction form
    42,258.18/63,383.48 = 12,682.62/x
  3. Step 3: Cross multiply
    42,258.18x = 63,383.48 × 12,682.62
  4. Step 4: Simplify right side
    42,258.18x = 803,868,591.12
  5. Step 5: Solve for x
    x = 803,868,591.12/42,258.18
  6. Step 6: Final answer
    x = 19,022.79

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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.