Home / 46,701.09-70,049.82-13,421.04

Finding the Fourth Proportional to 46,701.09, 70,049.82 and 13,421.04

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Solution

The fourth proportional to 46,701.09, 70,049.82 and 13,421.04 is: 20,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,701.09 : 70,049.82 = 13,421.04 : x
  2. Step 2: Convert to fraction form
    46,701.09/70,049.82 = 13,421.04/x
  3. Step 3: Cross multiply
    46,701.09x = 70,049.82 × 13,421.04
  4. Step 4: Simplify right side
    46,701.09x = 940,141,436.21
  5. Step 5: Solve for x
    x = 940,141,436.21/46,701.09
  6. Step 6: Final answer
    x = 20,131.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.