Home / 34,870.26-48,148.12-21,447.76

Finding the Fourth Proportional to 34,870.26, 48,148.12 and 21,447.76

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Solution

The fourth proportional to 34,870.26, 48,148.12 and 21,447.76 is: 29,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,870.26 : 48,148.12 = 21,447.76 : x
  2. Step 2: Convert to fraction form
    34,870.26/48,148.12 = 21,447.76/x
  3. Step 3: Cross multiply
    34,870.26x = 48,148.12 × 21,447.76
  4. Step 4: Simplify right side
    34,870.26x = 1,032,669,322.21
  5. Step 5: Solve for x
    x = 1,032,669,322.21/34,870.26
  6. Step 6: Final answer
    x = 29,614.61

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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.