Home / 34,722.90-47,917.60-18,807.35

Finding the Fourth Proportional to 34,722.90, 47,917.60 and 18,807.35

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Solution

The fourth proportional to 34,722.90, 47,917.60 and 18,807.35 is: 25,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,722.90 : 47,917.60 = 18,807.35 : x
  2. Step 2: Convert to fraction form
    34,722.90/47,917.60 = 18,807.35/x
  3. Step 3: Cross multiply
    34,722.90x = 47,917.60 × 18,807.35
  4. Step 4: Simplify right side
    34,722.90x = 901,202,814.83
  5. Step 5: Solve for x
    x = 901,202,814.83/34,722.90
  6. Step 6: Final answer
    x = 25,954.14

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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.