Home / 37,688.80-56,565.60-16,661.20

Finding the Fourth Proportional to 37,688.80, 56,565.60 and 16,661.20

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Solution

The fourth proportional to 37,688.80, 56,565.60 and 16,661.20 is: 25,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,688.80 : 56,565.60 = 16,661.20 : x
  2. Step 2: Convert to fraction form
    37,688.80/56,565.60 = 16,661.20/x
  3. Step 3: Cross multiply
    37,688.80x = 56,565.60 × 16,661.20
  4. Step 4: Simplify right side
    37,688.80x = 942,450,774.72
  5. Step 5: Solve for x
    x = 942,450,774.72/37,688.80
  6. Step 6: Final answer
    x = 25,006.12

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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.