Home / 32,345.82-44,643.87-20,999.52

Finding the Fourth Proportional to 32,345.82, 44,643.87 and 20,999.52

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Solution

The fourth proportional to 32,345.82, 44,643.87 and 20,999.52 is: 28,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,345.82 : 44,643.87 = 20,999.52 : x
  2. Step 2: Convert to fraction form
    32,345.82/44,643.87 = 20,999.52/x
  3. Step 3: Cross multiply
    32,345.82x = 44,643.87 × 20,999.52
  4. Step 4: Simplify right side
    32,345.82x = 937,499,840.94
  5. Step 5: Solve for x
    x = 937,499,840.94/32,345.82
  6. Step 6: Final answer
    x = 28,983.65

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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.