Home / 34,722.92-47,917.86-18,807.50

Finding the Fourth Proportional to 34,722.92, 47,917.86 and 18,807.50

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Solution

The fourth proportional to 34,722.92, 47,917.86 and 18,807.50 is: 25,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,722.92 : 47,917.86 = 18,807.50 : x
  2. Step 2: Convert to fraction form
    34,722.92/47,917.86 = 18,807.50/x
  3. Step 3: Cross multiply
    34,722.92x = 47,917.86 × 18,807.50
  4. Step 4: Simplify right side
    34,722.92x = 901,215,151.95
  5. Step 5: Solve for x
    x = 901,215,151.95/34,722.92
  6. Step 6: Final answer
    x = 25,954.47

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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.