Home / 34,693.75-47,877.42-18,778.19

Finding the Fourth Proportional to 34,693.75, 47,877.42 and 18,778.19

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Solution

The fourth proportional to 34,693.75, 47,877.42 and 18,778.19 is: 25,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,693.75 : 47,877.42 = 18,778.19 : x
  2. Step 2: Convert to fraction form
    34,693.75/47,877.42 = 18,778.19/x
  3. Step 3: Cross multiply
    34,693.75x = 47,877.42 × 18,778.19
  4. Step 4: Simplify right side
    34,693.75x = 899,051,289.47
  5. Step 5: Solve for x
    x = 899,051,289.47/34,693.75
  6. Step 6: Final answer
    x = 25,913.93

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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.