Home / 47,409.40-71,113.65-19,322.86

Finding the Fourth Proportional to 47,409.40, 71,113.65 and 19,322.86

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Solution

The fourth proportional to 47,409.40, 71,113.65 and 19,322.86 is: 28,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,409.40 : 71,113.65 = 19,322.86 : x
  2. Step 2: Convert to fraction form
    47,409.40/71,113.65 = 19,322.86/x
  3. Step 3: Cross multiply
    47,409.40x = 71,113.65 × 19,322.86
  4. Step 4: Simplify right side
    47,409.40x = 1,374,119,103.04
  5. Step 5: Solve for x
    x = 1,374,119,103.04/47,409.40
  6. Step 6: Final answer
    x = 28,984.11

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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.