Home / 34,541.33-47,668.79-20,393.87

Finding the Fourth Proportional to 34,541.33, 47,668.79 and 20,393.87

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Solution

The fourth proportional to 34,541.33, 47,668.79 and 20,393.87 is: 28,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,541.33 : 47,668.79 = 20,393.87 : x
  2. Step 2: Convert to fraction form
    34,541.33/47,668.79 = 20,393.87/x
  3. Step 3: Cross multiply
    34,541.33x = 47,668.79 × 20,393.87
  4. Step 4: Simplify right side
    34,541.33x = 972,151,106.32
  5. Step 5: Solve for x
    x = 972,151,106.32/34,541.33
  6. Step 6: Final answer
    x = 28,144.58

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1.5x scale

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.