Home / 47,675.71-65,790.18-28,556.29

Finding the Fourth Proportional to 47,675.71, 65,790.18 and 28,556.29

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Solution

The fourth proportional to 47,675.71, 65,790.18 and 28,556.29 is: 39,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,675.71 : 65,790.18 = 28,556.29 : x
  2. Step 2: Convert to fraction form
    47,675.71/65,790.18 = 28,556.29/x
  3. Step 3: Cross multiply
    47,675.71x = 65,790.18 × 28,556.29
  4. Step 4: Simplify right side
    47,675.71x = 1,878,723,130.28
  5. Step 5: Solve for x
    x = 1,878,723,130.28/47,675.71
  6. Step 6: Final answer
    x = 39,406.30

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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.