Home / 29,445-40,634.51-16,869.75

Finding the Fourth Proportional to 29,445, 40,634.51 and 16,869.75

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Solution

The fourth proportional to 29,445, 40,634.51 and 16,869.75 is: 23,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,445 : 40,634.51 = 16,869.75 : x
  2. Step 2: Convert to fraction form
    29,445/40,634.51 = 16,869.75/x
  3. Step 3: Cross multiply
    29,445x = 40,634.51 × 16,869.75
  4. Step 4: Simplify right side
    29,445x = 685,493,940.72
  5. Step 5: Solve for x
    x = 685,493,940.72/29,445
  6. Step 6: Final answer
    x = 23,280.49

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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.