Home / 47,678.04-71,506.80-19,591.02

Finding the Fourth Proportional to 47,678.04, 71,506.80 and 19,591.02

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Solution

The fourth proportional to 47,678.04, 71,506.80 and 19,591.02 is: 29,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,678.04 : 71,506.80 = 19,591.02 : x
  2. Step 2: Convert to fraction form
    47,678.04/71,506.80 = 19,591.02/x
  3. Step 3: Cross multiply
    47,678.04x = 71,506.80 × 19,591.02
  4. Step 4: Simplify right side
    47,678.04x = 1,400,891,148.94
  5. Step 5: Solve for x
    x = 1,400,891,148.94/47,678.04
  6. Step 6: Final answer
    x = 29,382.31

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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.