Home / 30,374.64-41,893.29-19,767.69

Finding the Fourth Proportional to 30,374.64, 41,893.29 and 19,767.69

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Solution

The fourth proportional to 30,374.64, 41,893.29 and 19,767.69 is: 27,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.64 : 41,893.29 = 19,767.69 : x
  2. Step 2: Convert to fraction form
    30,374.64/41,893.29 = 19,767.69/x
  3. Step 3: Cross multiply
    30,374.64x = 41,893.29 × 19,767.69
  4. Step 4: Simplify right side
    30,374.64x = 828,133,569.80
  5. Step 5: Solve for x
    x = 828,133,569.80/30,374.64
  6. Step 6: Final answer
    x = 27,263.98

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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.