Home / 34,719.15-47,911.86-18,803.46

Finding the Fourth Proportional to 34,719.15, 47,911.86 and 18,803.46

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Solution

The fourth proportional to 34,719.15, 47,911.86 and 18,803.46 is: 25,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,719.15 : 47,911.86 = 18,803.46 : x
  2. Step 2: Convert to fraction form
    34,719.15/47,911.86 = 18,803.46/x
  3. Step 3: Cross multiply
    34,719.15x = 47,911.86 × 18,803.46
  4. Step 4: Simplify right side
    34,719.15x = 900,908,743.04
  5. Step 5: Solve for x
    x = 900,908,743.04/34,719.15
  6. Step 6: Final answer
    x = 25,948.47

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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.