Home / 30,220.32-45,233.40-16,145.16

Finding the Fourth Proportional to 30,220.32, 45,233.40 and 16,145.16

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Solution

The fourth proportional to 30,220.32, 45,233.40 and 16,145.16 is: 24,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.32 : 45,233.40 = 16,145.16 : x
  2. Step 2: Convert to fraction form
    30,220.32/45,233.40 = 16,145.16/x
  3. Step 3: Cross multiply
    30,220.32x = 45,233.40 × 16,145.16
  4. Step 4: Simplify right side
    30,220.32x = 730,300,480.34
  5. Step 5: Solve for x
    x = 730,300,480.34/30,220.32
  6. Step 6: Final answer
    x = 24,165.88

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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.