Home / 30,611.53-42,240.66-17,184.26

Finding the Fourth Proportional to 30,611.53, 42,240.66 and 17,184.26

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Solution

The fourth proportional to 30,611.53, 42,240.66 and 17,184.26 is: 23,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.53 : 42,240.66 = 17,184.26 : x
  2. Step 2: Convert to fraction form
    30,611.53/42,240.66 = 17,184.26/x
  3. Step 3: Cross multiply
    30,611.53x = 42,240.66 × 17,184.26
  4. Step 4: Simplify right side
    30,611.53x = 725,874,484.01
  5. Step 5: Solve for x
    x = 725,874,484.01/30,611.53
  6. Step 6: Final answer
    x = 23,712.45

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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.