Home / 29,829.64-44,749.88-12,289.92

Finding the Fourth Proportional to 29,829.64, 44,749.88 and 12,289.92

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Solution

The fourth proportional to 29,829.64, 44,749.88 and 12,289.92 is: 18,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,829.64 : 44,749.88 = 12,289.92 : x
  2. Step 2: Convert to fraction form
    29,829.64/44,749.88 = 12,289.92/x
  3. Step 3: Cross multiply
    29,829.64x = 44,749.88 × 12,289.92
  4. Step 4: Simplify right side
    29,829.64x = 549,972,445.21
  5. Step 5: Solve for x
    x = 549,972,445.21/29,829.64
  6. Step 6: Final answer
    x = 18,437.11

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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.