Home / 47,135.47-65,047.11-25,916.08

Finding the Fourth Proportional to 47,135.47, 65,047.11 and 25,916.08

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Solution

The fourth proportional to 47,135.47, 65,047.11 and 25,916.08 is: 35,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.47 : 65,047.11 = 25,916.08 : x
  2. Step 2: Convert to fraction form
    47,135.47/65,047.11 = 25,916.08/x
  3. Step 3: Cross multiply
    47,135.47x = 65,047.11 × 25,916.08
  4. Step 4: Simplify right side
    47,135.47x = 1,685,766,106.53
  5. Step 5: Solve for x
    x = 1,685,766,106.53/47,135.47
  6. Step 6: Final answer
    x = 35,764.28

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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.