Home / 30,437.64-41,991.82-19,103.31

Finding the Fourth Proportional to 30,437.64, 41,991.82 and 19,103.31

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Solution

The fourth proportional to 30,437.64, 41,991.82 and 19,103.31 is: 26,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.64 : 41,991.82 = 19,103.31 : x
  2. Step 2: Convert to fraction form
    30,437.64/41,991.82 = 19,103.31/x
  3. Step 3: Cross multiply
    30,437.64x = 41,991.82 × 19,103.31
  4. Step 4: Simplify right side
    30,437.64x = 802,182,707.17
  5. Step 5: Solve for x
    x = 802,182,707.17/30,437.64
  6. Step 6: Final answer
    x = 26,354.96

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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.