Home / 31,510.01-47,202.75-18,993.08

Finding the Fourth Proportional to 31,510.01, 47,202.75 and 18,993.08

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Solution

The fourth proportional to 31,510.01, 47,202.75 and 18,993.08 is: 28,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.01 : 47,202.75 = 18,993.08 : x
  2. Step 2: Convert to fraction form
    31,510.01/47,202.75 = 18,993.08/x
  3. Step 3: Cross multiply
    31,510.01x = 47,202.75 × 18,993.08
  4. Step 4: Simplify right side
    31,510.01x = 896,525,724.98
  5. Step 5: Solve for x
    x = 896,525,724.98/31,510.01
  6. Step 6: Final answer
    x = 28,452.09

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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.