Home / 31,304.70-43,202.81-19,374.98

Finding the Fourth Proportional to 31,304.70, 43,202.81 and 19,374.98

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Solution

The fourth proportional to 31,304.70, 43,202.81 and 19,374.98 is: 26,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.70 : 43,202.81 = 19,374.98 : x
  2. Step 2: Convert to fraction form
    31,304.70/43,202.81 = 19,374.98/x
  3. Step 3: Cross multiply
    31,304.70x = 43,202.81 × 19,374.98
  4. Step 4: Simplify right side
    31,304.70x = 837,053,412.12
  5. Step 5: Solve for x
    x = 837,053,412.12/31,304.70
  6. Step 6: Final answer
    x = 26,738.91

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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.