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Finding the Fourth Proportional to 29,806.19, 44,729.79 and 12,276.01

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Solution

The fourth proportional to 29,806.19, 44,729.79 and 12,276.01 is: 18,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,806.19 : 44,729.79 = 12,276.01 : x
  2. Step 2: Convert to fraction form
    29,806.19/44,729.79 = 12,276.01/x
  3. Step 3: Cross multiply
    29,806.19x = 44,729.79 × 12,276.01
  4. Step 4: Simplify right side
    29,806.19x = 549,103,349.34
  5. Step 5: Solve for x
    x = 549,103,349.34/29,806.19
  6. Step 6: Final answer
    x = 18,422.46

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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.