Home / 31,955.66-47,931.75-9,769.03

Finding the Fourth Proportional to 31,955.66, 47,931.75 and 9,769.03

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Solution

The fourth proportional to 31,955.66, 47,931.75 and 9,769.03 is: 14,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,955.66 : 47,931.75 = 9,769.03 : x
  2. Step 2: Convert to fraction form
    31,955.66/47,931.75 = 9,769.03/x
  3. Step 3: Cross multiply
    31,955.66x = 47,931.75 × 9,769.03
  4. Step 4: Simplify right side
    31,955.66x = 468,246,583.87
  5. Step 5: Solve for x
    x = 468,246,583.87/31,955.66
  6. Step 6: Final answer
    x = 14,653.01

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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.