Home / 42,867.43-64,305.43-14,783.78

Finding the Fourth Proportional to 42,867.43, 64,305.43 and 14,783.78

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Solution

The fourth proportional to 42,867.43, 64,305.43 and 14,783.78 is: 22,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,867.43 : 64,305.43 = 14,783.78 : x
  2. Step 2: Convert to fraction form
    42,867.43/64,305.43 = 14,783.78/x
  3. Step 3: Cross multiply
    42,867.43x = 64,305.43 × 14,783.78
  4. Step 4: Simplify right side
    42,867.43x = 950,677,453.73
  5. Step 5: Solve for x
    x = 950,677,453.73/42,867.43
  6. Step 6: Final answer
    x = 22,177.15

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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.