Home / 79,210.40-118,815.84-20,046.04

Finding the Fourth Proportional to 79,210.40, 118,815.84 and 20,046.04

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Solution

The fourth proportional to 79,210.40, 118,815.84 and 20,046.04 is: 30,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210.40 : 118,815.84 = 20,046.04 : x
  2. Step 2: Convert to fraction form
    79,210.40/118,815.84 = 20,046.04/x
  3. Step 3: Cross multiply
    79,210.40x = 118,815.84 × 20,046.04
  4. Step 4: Simplify right side
    79,210.40x = 2,381,786,784.23
  5. Step 5: Solve for x
    x = 2,381,786,784.23/79,210.40
  6. Step 6: Final answer
    x = 30,069.12

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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.