Home / 47,582.08-71,391.80-19,515.58

Finding the Fourth Proportional to 47,582.08, 71,391.80 and 19,515.58

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Solution

The fourth proportional to 47,582.08, 71,391.80 and 19,515.58 is: 29,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,582.08 : 71,391.80 = 19,515.58 : x
  2. Step 2: Convert to fraction form
    47,582.08/71,391.80 = 19,515.58/x
  3. Step 3: Cross multiply
    47,582.08x = 71,391.80 × 19,515.58
  4. Step 4: Simplify right side
    47,582.08x = 1,393,252,108.19
  5. Step 5: Solve for x
    x = 1,393,252,108.19/47,582.08
  6. Step 6: Final answer
    x = 29,281.03

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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.