Home / 31,885.59-47,833.62-9,693.81

Finding the Fourth Proportional to 31,885.59, 47,833.62 and 9,693.81

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Solution

The fourth proportional to 31,885.59, 47,833.62 and 9,693.81 is: 14,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885.59 : 47,833.62 = 9,693.81 : x
  2. Step 2: Convert to fraction form
    31,885.59/47,833.62 = 9,693.81/x
  3. Step 3: Cross multiply
    31,885.59x = 47,833.62 × 9,693.81
  4. Step 4: Simplify right side
    31,885.59x = 463,690,023.89
  5. Step 5: Solve for x
    x = 463,690,023.89/31,885.59
  6. Step 6: Final answer
    x = 14,542.31

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1.5x scale

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.