Home / 45,398.16-68,103.72-14,222.88

Finding the Fourth Proportional to 45,398.16, 68,103.72 and 14,222.88

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Solution

The fourth proportional to 45,398.16, 68,103.72 and 14,222.88 is: 21,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,398.16 : 68,103.72 = 14,222.88 : x
  2. Step 2: Convert to fraction form
    45,398.16/68,103.72 = 14,222.88/x
  3. Step 3: Cross multiply
    45,398.16x = 68,103.72 × 14,222.88
  4. Step 4: Simplify right side
    45,398.16x = 968,631,037.11
  5. Step 5: Solve for x
    x = 968,631,037.11/45,398.16
  6. Step 6: Final answer
    x = 21,336.35

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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.