Home / 34,268.40-47,288.70-19,161.72

Finding the Fourth Proportional to 34,268.40, 47,288.70 and 19,161.72

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Solution

The fourth proportional to 34,268.40, 47,288.70 and 19,161.72 is: 26,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,268.40 : 47,288.70 = 19,161.72 : x
  2. Step 2: Convert to fraction form
    34,268.40/47,288.70 = 19,161.72/x
  3. Step 3: Cross multiply
    34,268.40x = 47,288.70 × 19,161.72
  4. Step 4: Simplify right side
    34,268.40x = 906,132,828.56
  5. Step 5: Solve for x
    x = 906,132,828.56/34,268.40
  6. Step 6: Final answer
    x = 26,442.23

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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.