Home / 34,918.52-48,188.63-19,811.81

Finding the Fourth Proportional to 34,918.52, 48,188.63 and 19,811.81

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Solution

The fourth proportional to 34,918.52, 48,188.63 and 19,811.81 is: 27,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,918.52 : 48,188.63 = 19,811.81 : x
  2. Step 2: Convert to fraction form
    34,918.52/48,188.63 = 19,811.81/x
  3. Step 3: Cross multiply
    34,918.52x = 48,188.63 × 19,811.81
  4. Step 4: Simplify right side
    34,918.52x = 954,703,981.72
  5. Step 5: Solve for x
    x = 954,703,981.72/34,918.52
  6. Step 6: Final answer
    x = 27,340.91

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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.