Home / 45,812.30-68,728.26-14,221.70

Finding the Fourth Proportional to 45,812.30, 68,728.26 and 14,221.70

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Solution

The fourth proportional to 45,812.30, 68,728.26 and 14,221.70 is: 21,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.30 : 68,728.26 = 14,221.70 : x
  2. Step 2: Convert to fraction form
    45,812.30/68,728.26 = 14,221.70/x
  3. Step 3: Cross multiply
    45,812.30x = 68,728.26 × 14,221.70
  4. Step 4: Simplify right side
    45,812.30x = 977,432,695.24
  5. Step 5: Solve for x
    x = 977,432,695.24/45,812.30
  6. Step 6: Final answer
    x = 21,335.60

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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.