Home / 47,611.28-71,316.12-30,072.08

Finding the Fourth Proportional to 47,611.28, 71,316.12 and 30,072.08

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Solution

The fourth proportional to 47,611.28, 71,316.12 and 30,072.08 is: 45,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,611.28 : 71,316.12 = 30,072.08 : x
  2. Step 2: Convert to fraction form
    47,611.28/71,316.12 = 30,072.08/x
  3. Step 3: Cross multiply
    47,611.28x = 71,316.12 × 30,072.08
  4. Step 4: Simplify right side
    47,611.28x = 2,144,624,065.93
  5. Step 5: Solve for x
    x = 2,144,624,065.93/47,611.28
  6. Step 6: Final answer
    x = 45,044.45

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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.