Home / 30,414.04-41,970.96-16,985.53

Finding the Fourth Proportional to 30,414.04, 41,970.96 and 16,985.53

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Solution

The fourth proportional to 30,414.04, 41,970.96 and 16,985.53 is: 23,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,414.04 : 41,970.96 = 16,985.53 : x
  2. Step 2: Convert to fraction form
    30,414.04/41,970.96 = 16,985.53/x
  3. Step 3: Cross multiply
    30,414.04x = 41,970.96 × 16,985.53
  4. Step 4: Simplify right side
    30,414.04x = 712,899,000.21
  5. Step 5: Solve for x
    x = 712,899,000.21/30,414.04
  6. Step 6: Final answer
    x = 23,439.80

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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.