Home / 47,756.47-71,634.64-12,696.13

Finding the Fourth Proportional to 47,756.47, 71,634.64 and 12,696.13

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Solution

The fourth proportional to 47,756.47, 71,634.64 and 12,696.13 is: 19,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,756.47 : 71,634.64 = 12,696.13 : x
  2. Step 2: Convert to fraction form
    47,756.47/71,634.64 = 12,696.13/x
  3. Step 3: Cross multiply
    47,756.47x = 71,634.64 × 12,696.13
  4. Step 4: Simplify right side
    47,756.47x = 909,482,701.94
  5. Step 5: Solve for x
    x = 909,482,701.94/47,756.47
  6. Step 6: Final answer
    x = 19,044.18

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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.