Home / 29,430.47-40,612.05-16,682.38

Finding the Fourth Proportional to 29,430.47, 40,612.05 and 16,682.38

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Solution

The fourth proportional to 29,430.47, 40,612.05 and 16,682.38 is: 23,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.47 : 40,612.05 = 16,682.38 : x
  2. Step 2: Convert to fraction form
    29,430.47/40,612.05 = 16,682.38/x
  3. Step 3: Cross multiply
    29,430.47x = 40,612.05 × 16,682.38
  4. Step 4: Simplify right side
    29,430.47x = 677,505,549.15
  5. Step 5: Solve for x
    x = 677,505,549.15/29,430.47
  6. Step 6: Final answer
    x = 23,020.55

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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.