Home / 47,071.68-64,968.12-29,174.64

Finding the Fourth Proportional to 47,071.68, 64,968.12 and 29,174.64

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Solution

The fourth proportional to 47,071.68, 64,968.12 and 29,174.64 is: 40,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,071.68 : 64,968.12 = 29,174.64 : x
  2. Step 2: Convert to fraction form
    47,071.68/64,968.12 = 29,174.64/x
  3. Step 3: Cross multiply
    47,071.68x = 64,968.12 × 29,174.64
  4. Step 4: Simplify right side
    47,071.68x = 1,895,421,512.48
  5. Step 5: Solve for x
    x = 1,895,421,512.48/47,071.68
  6. Step 6: Final answer
    x = 40,266.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.