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Finding the Fourth Proportional to 29,459.61, 44,189.51 and 7,272.99

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Solution

The fourth proportional to 29,459.61, 44,189.51 and 7,272.99 is: 10,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,459.61 : 44,189.51 = 7,272.99 : x
  2. Step 2: Convert to fraction form
    29,459.61/44,189.51 = 7,272.99/x
  3. Step 3: Cross multiply
    29,459.61x = 44,189.51 × 7,272.99
  4. Step 4: Simplify right side
    29,459.61x = 321,389,662.26
  5. Step 5: Solve for x
    x = 321,389,662.26/29,459.61
  6. Step 6: Final answer
    x = 10,909.50

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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.