Home / 34,719.76-47,913.16-18,804.16

Finding the Fourth Proportional to 34,719.76, 47,913.16 and 18,804.16

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Solution

The fourth proportional to 34,719.76, 47,913.16 and 18,804.16 is: 25,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,719.76 : 47,913.16 = 18,804.16 : x
  2. Step 2: Convert to fraction form
    34,719.76/47,913.16 = 18,804.16/x
  3. Step 3: Cross multiply
    34,719.76x = 47,913.16 × 18,804.16
  4. Step 4: Simplify right side
    34,719.76x = 900,966,726.75
  5. Step 5: Solve for x
    x = 900,966,726.75/34,719.76
  6. Step 6: Final answer
    x = 25,949.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.