Home / 31,574.22-47,361.45-19,858.38

Finding the Fourth Proportional to 31,574.22, 47,361.45 and 19,858.38

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Solution

The fourth proportional to 31,574.22, 47,361.45 and 19,858.38 is: 29,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.22 : 47,361.45 = 19,858.38 : x
  2. Step 2: Convert to fraction form
    31,574.22/47,361.45 = 19,858.38/x
  3. Step 3: Cross multiply
    31,574.22x = 47,361.45 × 19,858.38
  4. Step 4: Simplify right side
    31,574.22x = 940,521,671.45
  5. Step 5: Solve for x
    x = 940,521,671.45/31,574.22
  6. Step 6: Final answer
    x = 29,787.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.