Home / 30,136.28-41,587.43-16,707.42

Finding the Fourth Proportional to 30,136.28, 41,587.43 and 16,707.42

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Solution

The fourth proportional to 30,136.28, 41,587.43 and 16,707.42 is: 23,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.28 : 41,587.43 = 16,707.42 : x
  2. Step 2: Convert to fraction form
    30,136.28/41,587.43 = 16,707.42/x
  3. Step 3: Cross multiply
    30,136.28x = 41,587.43 × 16,707.42
  4. Step 4: Simplify right side
    30,136.28x = 694,818,576.19
  5. Step 5: Solve for x
    x = 694,818,576.19/30,136.28
  6. Step 6: Final answer
    x = 23,055.89

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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.