Home / 31,808.64-47,719.14-12,101.06

Finding the Fourth Proportional to 31,808.64, 47,719.14 and 12,101.06

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Solution

The fourth proportional to 31,808.64, 47,719.14 and 12,101.06 is: 18,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808.64 : 47,719.14 = 12,101.06 : x
  2. Step 2: Convert to fraction form
    31,808.64/47,719.14 = 12,101.06/x
  3. Step 3: Cross multiply
    31,808.64x = 47,719.14 × 12,101.06
  4. Step 4: Simplify right side
    31,808.64x = 577,452,176.29
  5. Step 5: Solve for x
    x = 577,452,176.29/31,808.64
  6. Step 6: Final answer
    x = 18,153.94

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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.