Home / 42,426.36-63,623.12-14,338.89

Finding the Fourth Proportional to 42,426.36, 63,623.12 and 14,338.89

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Solution

The fourth proportional to 42,426.36, 63,623.12 and 14,338.89 is: 21,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,426.36 : 63,623.12 = 14,338.89 : x
  2. Step 2: Convert to fraction form
    42,426.36/63,623.12 = 14,338.89/x
  3. Step 3: Cross multiply
    42,426.36x = 63,623.12 × 14,338.89
  4. Step 4: Simplify right side
    42,426.36x = 912,284,847.44
  5. Step 5: Solve for x
    x = 912,284,847.44/42,426.36
  6. Step 6: Final answer
    x = 21,502.78

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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.