Home / 45,869.06-68,805.42-14,279.66

Finding the Fourth Proportional to 45,869.06, 68,805.42 and 14,279.66

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Solution

The fourth proportional to 45,869.06, 68,805.42 and 14,279.66 is: 21,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,869.06 : 68,805.42 = 14,279.66 : x
  2. Step 2: Convert to fraction form
    45,869.06/68,805.42 = 14,279.66/x
  3. Step 3: Cross multiply
    45,869.06x = 68,805.42 × 14,279.66
  4. Step 4: Simplify right side
    45,869.06x = 982,518,003.76
  5. Step 5: Solve for x
    x = 982,518,003.76/45,869.06
  6. Step 6: Final answer
    x = 21,420.06

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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.