Home / 30,564.60-42,181.18-17,136.74

Finding the Fourth Proportional to 30,564.60, 42,181.18 and 17,136.74

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Solution

The fourth proportional to 30,564.60, 42,181.18 and 17,136.74 is: 23,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,564.60 : 42,181.18 = 17,136.74 : x
  2. Step 2: Convert to fraction form
    30,564.60/42,181.18 = 17,136.74/x
  3. Step 3: Cross multiply
    30,564.60x = 42,181.18 × 17,136.74
  4. Step 4: Simplify right side
    30,564.60x = 722,847,914.55
  5. Step 5: Solve for x
    x = 722,847,914.55/30,564.60
  6. Step 6: Final answer
    x = 23,649.84

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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.