Home / 34,778.16-47,993.76-18,862.38

Finding the Fourth Proportional to 34,778.16, 47,993.76 and 18,862.38

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Solution

The fourth proportional to 34,778.16, 47,993.76 and 18,862.38 is: 26,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.16 : 47,993.76 = 18,862.38 : x
  2. Step 2: Convert to fraction form
    34,778.16/47,993.76 = 18,862.38/x
  3. Step 3: Cross multiply
    34,778.16x = 47,993.76 × 18,862.38
  4. Step 4: Simplify right side
    34,778.16x = 905,276,538.75
  5. Step 5: Solve for x
    x = 905,276,538.75/34,778.16
  6. Step 6: Final answer
    x = 26,030.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.