Home / 45,418.26-68,130.27-14,254.74

Finding the Fourth Proportional to 45,418.26, 68,130.27 and 14,254.74

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Solution

The fourth proportional to 45,418.26, 68,130.27 and 14,254.74 is: 21,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,418.26 : 68,130.27 = 14,254.74 : x
  2. Step 2: Convert to fraction form
    45,418.26/68,130.27 = 14,254.74/x
  3. Step 3: Cross multiply
    45,418.26x = 68,130.27 × 14,254.74
  4. Step 4: Simplify right side
    45,418.26x = 971,179,284.98
  5. Step 5: Solve for x
    x = 971,179,284.98/45,418.26
  6. Step 6: Final answer
    x = 21,383.01

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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.