Home / 34,834.10-48,071.07-18,918.81

Finding the Fourth Proportional to 34,834.10, 48,071.07 and 18,918.81

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Solution

The fourth proportional to 34,834.10, 48,071.07 and 18,918.81 is: 26,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,834.10 : 48,071.07 = 18,918.81 : x
  2. Step 2: Convert to fraction form
    34,834.10/48,071.07 = 18,918.81/x
  3. Step 3: Cross multiply
    34,834.10x = 48,071.07 × 18,918.81
  4. Step 4: Simplify right side
    34,834.10x = 909,447,439.83
  5. Step 5: Solve for x
    x = 909,447,439.83/34,834.10
  6. Step 6: Final answer
    x = 26,107.97

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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.