Home / 32,688.64-45,112.96-27,374.32

Finding the Fourth Proportional to 32,688.64, 45,112.96 and 27,374.32

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Solution

The fourth proportional to 32,688.64, 45,112.96 and 27,374.32 is: 37,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,688.64 : 45,112.96 = 27,374.32 : x
  2. Step 2: Convert to fraction form
    32,688.64/45,112.96 = 27,374.32/x
  3. Step 3: Cross multiply
    32,688.64x = 45,112.96 × 27,374.32
  4. Step 4: Simplify right side
    32,688.64x = 1,234,936,603.19
  5. Step 5: Solve for x
    x = 1,234,936,603.19/32,688.64
  6. Step 6: Final answer
    x = 37,778.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.