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Finding the Fourth Proportional to 32,993.60, 45,530.66 and 17,885.99

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Solution

The fourth proportional to 32,993.60, 45,530.66 and 17,885.99 is: 24,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,993.60 : 45,530.66 = 17,885.99 : x
  2. Step 2: Convert to fraction form
    32,993.60/45,530.66 = 17,885.99/x
  3. Step 3: Cross multiply
    32,993.60x = 45,530.66 × 17,885.99
  4. Step 4: Simplify right side
    32,993.60x = 814,361,088.00
  5. Step 5: Solve for x
    x = 814,361,088.00/32,993.60
  6. Step 6: Final answer
    x = 24,682.40

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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.