Home / 40,618.26-60,904.75-12,530.34

Finding the Fourth Proportional to 40,618.26, 60,904.75 and 12,530.34

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Solution

The fourth proportional to 40,618.26, 60,904.75 and 12,530.34 is: 18,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,618.26 : 60,904.75 = 12,530.34 : x
  2. Step 2: Convert to fraction form
    40,618.26/60,904.75 = 12,530.34/x
  3. Step 3: Cross multiply
    40,618.26x = 60,904.75 × 12,530.34
  4. Step 4: Simplify right side
    40,618.26x = 763,157,225.12
  5. Step 5: Solve for x
    x = 763,157,225.12/40,618.26
  6. Step 6: Final answer
    x = 18,788.53

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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.