Home / 32,739.81-45,179.76-20,014.32

Finding the Fourth Proportional to 32,739.81, 45,179.76 and 20,014.32

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Solution

The fourth proportional to 32,739.81, 45,179.76 and 20,014.32 is: 27,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,739.81 : 45,179.76 = 20,014.32 : x
  2. Step 2: Convert to fraction form
    32,739.81/45,179.76 = 20,014.32/x
  3. Step 3: Cross multiply
    32,739.81x = 45,179.76 × 20,014.32
  4. Step 4: Simplify right side
    32,739.81x = 904,242,174.16
  5. Step 5: Solve for x
    x = 904,242,174.16/32,739.81
  6. Step 6: Final answer
    x = 27,619.04

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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.