Home / 45,550.67-68,261.77-21,509.32

Finding the Fourth Proportional to 45,550.67, 68,261.77 and 21,509.32

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Solution

The fourth proportional to 45,550.67, 68,261.77 and 21,509.32 is: 32,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,550.67 : 68,261.77 = 21,509.32 : x
  2. Step 2: Convert to fraction form
    45,550.67/68,261.77 = 21,509.32/x
  3. Step 3: Cross multiply
    45,550.67x = 68,261.77 × 21,509.32
  4. Step 4: Simplify right side
    45,550.67x = 1,468,264,238.92
  5. Step 5: Solve for x
    x = 1,468,264,238.92/45,550.67
  6. Step 6: Final answer
    x = 32,233.65

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1.5x scale

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.