Home / 30,592.25-42,241.20-19,842.23

Finding the Fourth Proportional to 30,592.25, 42,241.20 and 19,842.23

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Solution

The fourth proportional to 30,592.25, 42,241.20 and 19,842.23 is: 27,397.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592.25 : 42,241.20 = 19,842.23 : x
  2. Step 2: Convert to fraction form
    30,592.25/42,241.20 = 19,842.23/x
  3. Step 3: Cross multiply
    30,592.25x = 42,241.20 × 19,842.23
  4. Step 4: Simplify right side
    30,592.25x = 838,159,637.07
  5. Step 5: Solve for x
    x = 838,159,637.07/30,592.25
  6. Step 6: Final answer
    x = 27,397.78

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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.