Home / 30,415.79-45,608.11-16,192.35

Finding the Fourth Proportional to 30,415.79, 45,608.11 and 16,192.35

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Solution

The fourth proportional to 30,415.79, 45,608.11 and 16,192.35 is: 24,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,415.79 : 45,608.11 = 16,192.35 : x
  2. Step 2: Convert to fraction form
    30,415.79/45,608.11 = 16,192.35/x
  3. Step 3: Cross multiply
    30,415.79x = 45,608.11 × 16,192.35
  4. Step 4: Simplify right side
    30,415.79x = 738,502,530.56
  5. Step 5: Solve for x
    x = 738,502,530.56/30,415.79
  6. Step 6: Final answer
    x = 24,280.23

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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.