Home / 30,148.04-41,608.60-16,722.28

Finding the Fourth Proportional to 30,148.04, 41,608.60 and 16,722.28

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Solution

The fourth proportional to 30,148.04, 41,608.60 and 16,722.28 is: 23,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.04 : 41,608.60 = 16,722.28 : x
  2. Step 2: Convert to fraction form
    30,148.04/41,608.60 = 16,722.28/x
  3. Step 3: Cross multiply
    30,148.04x = 41,608.60 × 16,722.28
  4. Step 4: Simplify right side
    30,148.04x = 695,790,659.61
  5. Step 5: Solve for x
    x = 695,790,659.61/30,148.04
  6. Step 6: Final answer
    x = 23,079.13

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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.