Home / 45,701.02-68,552.97-12,421

Finding the Fourth Proportional to 45,701.02, 68,552.97 and 12,421

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Solution

The fourth proportional to 45,701.02, 68,552.97 and 12,421 is: 18,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,701.02 : 68,552.97 = 12,421 : x
  2. Step 2: Convert to fraction form
    45,701.02/68,552.97 = 12,421/x
  3. Step 3: Cross multiply
    45,701.02x = 68,552.97 × 12,421
  4. Step 4: Simplify right side
    45,701.02x = 851,496,440.37
  5. Step 5: Solve for x
    x = 851,496,440.37/45,701.02
  6. Step 6: Final answer
    x = 18,631.89

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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.