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Finding the Fourth Proportional to 32,281.50, 44,550.90 and 19,708.68

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Solution

The fourth proportional to 32,281.50, 44,550.90 and 19,708.68 is: 27,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,281.50 : 44,550.90 = 19,708.68 : x
  2. Step 2: Convert to fraction form
    32,281.50/44,550.90 = 19,708.68/x
  3. Step 3: Cross multiply
    32,281.50x = 44,550.90 × 19,708.68
  4. Step 4: Simplify right side
    32,281.50x = 878,039,431.81
  5. Step 5: Solve for x
    x = 878,039,431.81/32,281.50
  6. Step 6: Final answer
    x = 27,199.46

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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.