Home / 42,592.68-63,910.62-19,213.92

Finding the Fourth Proportional to 42,592.68, 63,910.62 and 19,213.92

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Solution

The fourth proportional to 42,592.68, 63,910.62 and 19,213.92 is: 28,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,592.68 : 63,910.62 = 19,213.92 : x
  2. Step 2: Convert to fraction form
    42,592.68/63,910.62 = 19,213.92/x
  3. Step 3: Cross multiply
    42,592.68x = 63,910.62 × 19,213.92
  4. Step 4: Simplify right side
    42,592.68x = 1,227,973,539.83
  5. Step 5: Solve for x
    x = 1,227,973,539.83/42,592.68
  6. Step 6: Final answer
    x = 28,830.62

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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.