Home / 34,286.81-47,320.18-19,180.31

Finding the Fourth Proportional to 34,286.81, 47,320.18 and 19,180.31

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Solution

The fourth proportional to 34,286.81, 47,320.18 and 19,180.31 is: 26,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,286.81 : 47,320.18 = 19,180.31 : x
  2. Step 2: Convert to fraction form
    34,286.81/47,320.18 = 19,180.31/x
  3. Step 3: Cross multiply
    34,286.81x = 47,320.18 × 19,180.31
  4. Step 4: Simplify right side
    34,286.81x = 907,615,721.66
  5. Step 5: Solve for x
    x = 907,615,721.66/34,286.81
  6. Step 6: Final answer
    x = 26,471.28

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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.