Home / 31,358.28-47,052.76-14,719.64

Finding the Fourth Proportional to 31,358.28, 47,052.76 and 14,719.64

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Solution

The fourth proportional to 31,358.28, 47,052.76 and 14,719.64 is: 22,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,358.28 : 47,052.76 = 14,719.64 : x
  2. Step 2: Convert to fraction form
    31,358.28/47,052.76 = 14,719.64/x
  3. Step 3: Cross multiply
    31,358.28x = 47,052.76 × 14,719.64
  4. Step 4: Simplify right side
    31,358.28x = 692,599,688.21
  5. Step 5: Solve for x
    x = 692,599,688.21/31,358.28
  6. Step 6: Final answer
    x = 22,086.66

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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.