Home / 47,987.74-71,950.78-19,927.15

Finding the Fourth Proportional to 47,987.74, 71,950.78 and 19,927.15

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Solution

The fourth proportional to 47,987.74, 71,950.78 and 19,927.15 is: 29,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,987.74 : 71,950.78 = 19,927.15 : x
  2. Step 2: Convert to fraction form
    47,987.74/71,950.78 = 19,927.15/x
  3. Step 3: Cross multiply
    47,987.74x = 71,950.78 × 19,927.15
  4. Step 4: Simplify right side
    47,987.74x = 1,433,773,830.71
  5. Step 5: Solve for x
    x = 1,433,773,830.71/47,987.74
  6. Step 6: Final answer
    x = 29,877.92

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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.