Home / 31,916.62-47,873.58-13,191.58

Finding the Fourth Proportional to 31,916.62, 47,873.58 and 13,191.58

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Solution

The fourth proportional to 31,916.62, 47,873.58 and 13,191.58 is: 19,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,916.62 : 47,873.58 = 13,191.58 : x
  2. Step 2: Convert to fraction form
    31,916.62/47,873.58 = 13,191.58/x
  3. Step 3: Cross multiply
    31,916.62x = 47,873.58 × 13,191.58
  4. Step 4: Simplify right side
    31,916.62x = 631,528,160.46
  5. Step 5: Solve for x
    x = 631,528,160.46/31,916.62
  6. Step 6: Final answer
    x = 19,786.81

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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.