Home / 45,426.39-68,142.47-14,262.87

Finding the Fourth Proportional to 45,426.39, 68,142.47 and 14,262.87

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Solution

The fourth proportional to 45,426.39, 68,142.47 and 14,262.87 is: 21,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.39 : 68,142.47 = 14,262.87 : x
  2. Step 2: Convert to fraction form
    45,426.39/68,142.47 = 14,262.87/x
  3. Step 3: Cross multiply
    45,426.39x = 68,142.47 × 14,262.87
  4. Step 4: Simplify right side
    45,426.39x = 971,907,191.09
  5. Step 5: Solve for x
    x = 971,907,191.09/45,426.39
  6. Step 6: Final answer
    x = 21,395.21

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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.