Home / 30,157.02-45,189.40-16,119.04

Finding the Fourth Proportional to 30,157.02, 45,189.40 and 16,119.04

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Solution

The fourth proportional to 30,157.02, 45,189.40 and 16,119.04 is: 24,153.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.02 : 45,189.40 = 16,119.04 : x
  2. Step 2: Convert to fraction form
    30,157.02/45,189.40 = 16,119.04/x
  3. Step 3: Cross multiply
    30,157.02x = 45,189.40 × 16,119.04
  4. Step 4: Simplify right side
    30,157.02x = 728,409,941.61
  5. Step 5: Solve for x
    x = 728,409,941.61/30,157.02
  6. Step 6: Final answer
    x = 24,153.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.