Home / 47,988.07-71,986.42-12,926.95

Finding the Fourth Proportional to 47,988.07, 71,986.42 and 12,926.95

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Solution

The fourth proportional to 47,988.07, 71,986.42 and 12,926.95 is: 19,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,988.07 : 71,986.42 = 12,926.95 : x
  2. Step 2: Convert to fraction form
    47,988.07/71,986.42 = 12,926.95/x
  3. Step 3: Cross multiply
    47,988.07x = 71,986.42 × 12,926.95
  4. Step 4: Simplify right side
    47,988.07x = 930,564,688.21
  5. Step 5: Solve for x
    x = 930,564,688.21/47,988.07
  6. Step 6: Final answer
    x = 19,391.58

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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.