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Finding the Fourth Proportional to 40,394.99, 60,539.02 and 30,999.11

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Solution

The fourth proportional to 40,394.99, 60,539.02 and 30,999.11 is: 46,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.99 : 60,539.02 = 30,999.11 : x
  2. Step 2: Convert to fraction form
    40,394.99/60,539.02 = 30,999.11/x
  3. Step 3: Cross multiply
    40,394.99x = 60,539.02 × 30,999.11
  4. Step 4: Simplify right side
    40,394.99x = 1,876,655,360.08
  5. Step 5: Solve for x
    x = 1,876,655,360.08/40,394.99
  6. Step 6: Final answer
    x = 46,457.62

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1.5x scale

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.