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Finding the Fourth Proportional to 32,819, 45,291.32 and 17,915

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Solution

The fourth proportional to 32,819, 45,291.32 and 17,915 is: 24,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,819 : 45,291.32 = 17,915 : x
  2. Step 2: Convert to fraction form
    32,819/45,291.32 = 17,915/x
  3. Step 3: Cross multiply
    32,819x = 45,291.32 × 17,915
  4. Step 4: Simplify right side
    32,819x = 811,393,997.80
  5. Step 5: Solve for x
    x = 811,393,997.80/32,819
  6. Step 6: Final answer
    x = 24,723.30

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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.