Home / 31,814.92-47,731.02-9,629.02

Finding the Fourth Proportional to 31,814.92, 47,731.02 and 9,629.02

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Solution

The fourth proportional to 31,814.92, 47,731.02 and 9,629.02 is: 14,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.92 : 47,731.02 = 9,629.02 : x
  2. Step 2: Convert to fraction form
    31,814.92/47,731.02 = 9,629.02/x
  3. Step 3: Cross multiply
    31,814.92x = 47,731.02 × 9,629.02
  4. Step 4: Simplify right side
    31,814.92x = 459,602,946.20
  5. Step 5: Solve for x
    x = 459,602,946.20/31,814.92
  6. Step 6: Final answer
    x = 14,446.14

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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.