Home / 34,177.36-47,164.78-20,030.20

Finding the Fourth Proportional to 34,177.36, 47,164.78 and 20,030.20

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Solution

The fourth proportional to 34,177.36, 47,164.78 and 20,030.20 is: 27,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,177.36 : 47,164.78 = 20,030.20 : x
  2. Step 2: Convert to fraction form
    34,177.36/47,164.78 = 20,030.20/x
  3. Step 3: Cross multiply
    34,177.36x = 47,164.78 × 20,030.20
  4. Step 4: Simplify right side
    34,177.36x = 944,719,976.36
  5. Step 5: Solve for x
    x = 944,719,976.36/34,177.36
  6. Step 6: Final answer
    x = 27,641.69

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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.