Home / 48,419.05-72,600.62-18,802.31

Finding the Fourth Proportional to 48,419.05, 72,600.62 and 18,802.31

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Solution

The fourth proportional to 48,419.05, 72,600.62 and 18,802.31 is: 28,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,419.05 : 72,600.62 = 18,802.31 : x
  2. Step 2: Convert to fraction form
    48,419.05/72,600.62 = 18,802.31/x
  3. Step 3: Cross multiply
    48,419.05x = 72,600.62 × 18,802.31
  4. Step 4: Simplify right side
    48,419.05x = 1,365,059,591.94
  5. Step 5: Solve for x
    x = 1,365,059,591.94/48,419.05
  6. Step 6: Final answer
    x = 28,192.62

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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.