Home / 45,426.64-68,134.20-14,261.20

Finding the Fourth Proportional to 45,426.64, 68,134.20 and 14,261.20

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Solution

The fourth proportional to 45,426.64, 68,134.20 and 14,261.20 is: 21,389.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.64 : 68,134.20 = 14,261.20 : x
  2. Step 2: Convert to fraction form
    45,426.64/68,134.20 = 14,261.20/x
  3. Step 3: Cross multiply
    45,426.64x = 68,134.20 × 14,261.20
  4. Step 4: Simplify right side
    45,426.64x = 971,675,453.04
  5. Step 5: Solve for x
    x = 971,675,453.04/45,426.64
  6. Step 6: Final answer
    x = 21,389.99

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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.