Home / 29,568.09-40,803.31-16,139.57

Finding the Fourth Proportional to 29,568.09, 40,803.31 and 16,139.57

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Solution

The fourth proportional to 29,568.09, 40,803.31 and 16,139.57 is: 22,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,568.09 : 40,803.31 = 16,139.57 : x
  2. Step 2: Convert to fraction form
    29,568.09/40,803.31 = 16,139.57/x
  3. Step 3: Cross multiply
    29,568.09x = 40,803.31 × 16,139.57
  4. Step 4: Simplify right side
    29,568.09x = 658,547,673.96
  5. Step 5: Solve for x
    x = 658,547,673.96/29,568.09
  6. Step 6: Final answer
    x = 22,272.24

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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.