Home / 32,190.65-44,403.47-21,288.77

Finding the Fourth Proportional to 32,190.65, 44,403.47 and 21,288.77

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Solution

The fourth proportional to 32,190.65, 44,403.47 and 21,288.77 is: 29,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,190.65 : 44,403.47 = 21,288.77 : x
  2. Step 2: Convert to fraction form
    32,190.65/44,403.47 = 21,288.77/x
  3. Step 3: Cross multiply
    32,190.65x = 44,403.47 × 21,288.77
  4. Step 4: Simplify right side
    32,190.65x = 945,295,011.40
  5. Step 5: Solve for x
    x = 945,295,011.40/32,190.65
  6. Step 6: Final answer
    x = 29,365.52

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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.