Home / 30,564.15-42,180.56-17,136.27

Finding the Fourth Proportional to 30,564.15, 42,180.56 and 17,136.27

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Solution

The fourth proportional to 30,564.15, 42,180.56 and 17,136.27 is: 23,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,564.15 : 42,180.56 = 17,136.27 : x
  2. Step 2: Convert to fraction form
    30,564.15/42,180.56 = 17,136.27/x
  3. Step 3: Cross multiply
    30,564.15x = 42,180.56 × 17,136.27
  4. Step 4: Simplify right side
    30,564.15x = 722,817,537.41
  5. Step 5: Solve for x
    x = 722,817,537.41/30,564.15
  6. Step 6: Final answer
    x = 23,649.19

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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.