Home / 47,386.11-71,044.14-28,661.64

Finding the Fourth Proportional to 47,386.11, 71,044.14 and 28,661.64

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Solution

The fourth proportional to 47,386.11, 71,044.14 and 28,661.64 is: 42,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,386.11 : 71,044.14 = 28,661.64 : x
  2. Step 2: Convert to fraction form
    47,386.11/71,044.14 = 28,661.64/x
  3. Step 3: Cross multiply
    47,386.11x = 71,044.14 × 28,661.64
  4. Step 4: Simplify right side
    47,386.11x = 2,036,241,564.79
  5. Step 5: Solve for x
    x = 2,036,241,564.79/47,386.11
  6. Step 6: Final answer
    x = 42,971.28

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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.