Home / 31,710.81-43,761.24-19,133.13

Finding the Fourth Proportional to 31,710.81, 43,761.24 and 19,133.13

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Solution

The fourth proportional to 31,710.81, 43,761.24 and 19,133.13 is: 26,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,710.81 : 43,761.24 = 19,133.13 : x
  2. Step 2: Convert to fraction form
    31,710.81/43,761.24 = 19,133.13/x
  3. Step 3: Cross multiply
    31,710.81x = 43,761.24 × 19,133.13
  4. Step 4: Simplify right side
    31,710.81x = 837,289,179.41
  5. Step 5: Solve for x
    x = 837,289,179.41/31,710.81
  6. Step 6: Final answer
    x = 26,403.91

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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.