Home / 31,420.58-43,358.76-17,273.90

Finding the Fourth Proportional to 31,420.58, 43,358.76 and 17,273.90

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Solution

The fourth proportional to 31,420.58, 43,358.76 and 17,273.90 is: 23,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,420.58 : 43,358.76 = 17,273.90 : x
  2. Step 2: Convert to fraction form
    31,420.58/43,358.76 = 17,273.90/x
  3. Step 3: Cross multiply
    31,420.58x = 43,358.76 × 17,273.90
  4. Step 4: Simplify right side
    31,420.58x = 748,974,884.36
  5. Step 5: Solve for x
    x = 748,974,884.36/31,420.58
  6. Step 6: Final answer
    x = 23,837.08

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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.