Home / 21,741.18-32,429.03-19,747.98

Finding the Fourth Proportional to 21,741.18, 32,429.03 and 19,747.98

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Solution

The fourth proportional to 21,741.18, 32,429.03 and 19,747.98 is: 29,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741.18 : 32,429.03 = 19,747.98 : x
  2. Step 2: Convert to fraction form
    21,741.18/32,429.03 = 19,747.98/x
  3. Step 3: Cross multiply
    21,741.18x = 32,429.03 × 19,747.98
  4. Step 4: Simplify right side
    21,741.18x = 640,407,737.12
  5. Step 5: Solve for x
    x = 640,407,737.12/21,741.18
  6. Step 6: Final answer
    x = 29,455.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.