Home / 48,688.72-73,042.54-18,700.76

Finding the Fourth Proportional to 48,688.72, 73,042.54 and 18,700.76

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Solution

The fourth proportional to 48,688.72, 73,042.54 and 18,700.76 is: 28,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,688.72 : 73,042.54 = 18,700.76 : x
  2. Step 2: Convert to fraction form
    48,688.72/73,042.54 = 18,700.76/x
  3. Step 3: Cross multiply
    48,688.72x = 73,042.54 × 18,700.76
  4. Step 4: Simplify right side
    48,688.72x = 1,365,951,010.33
  5. Step 5: Solve for x
    x = 1,365,951,010.33/48,688.72
  6. Step 6: Final answer
    x = 28,054.77

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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.