Home / 37,687.92-56,533.07-18,957.72

Finding the Fourth Proportional to 37,687.92, 56,533.07 and 18,957.72

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Solution

The fourth proportional to 37,687.92, 56,533.07 and 18,957.72 is: 28,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687.92 : 56,533.07 = 18,957.72 : x
  2. Step 2: Convert to fraction form
    37,687.92/56,533.07 = 18,957.72/x
  3. Step 3: Cross multiply
    37,687.92x = 56,533.07 × 18,957.72
  4. Step 4: Simplify right side
    37,687.92x = 1,071,738,111.80
  5. Step 5: Solve for x
    x = 1,071,738,111.80/37,687.92
  6. Step 6: Final answer
    x = 28,437.18

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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.