Home / 45,511.06-68,270.04-15,515.98

Finding the Fourth Proportional to 45,511.06, 68,270.04 and 15,515.98

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Solution

The fourth proportional to 45,511.06, 68,270.04 and 15,515.98 is: 23,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,511.06 : 68,270.04 = 15,515.98 : x
  2. Step 2: Convert to fraction form
    45,511.06/68,270.04 = 15,515.98/x
  3. Step 3: Cross multiply
    45,511.06x = 68,270.04 × 15,515.98
  4. Step 4: Simplify right side
    45,511.06x = 1,059,276,233.89
  5. Step 5: Solve for x
    x = 1,059,276,233.89/45,511.06
  6. Step 6: Final answer
    x = 23,275.14

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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.