Home / 29,510.12-40,720.38-16,758.74

Finding the Fourth Proportional to 29,510.12, 40,720.38 and 16,758.74

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Solution

The fourth proportional to 29,510.12, 40,720.38 and 16,758.74 is: 23,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,510.12 : 40,720.38 = 16,758.74 : x
  2. Step 2: Convert to fraction form
    29,510.12/40,720.38 = 16,758.74/x
  3. Step 3: Cross multiply
    29,510.12x = 40,720.38 × 16,758.74
  4. Step 4: Simplify right side
    29,510.12x = 682,422,261.12
  5. Step 5: Solve for x
    x = 682,422,261.12/29,510.12
  6. Step 6: Final answer
    x = 23,125.02

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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.