Home / 31,629.12-43,647.64-17,482.20

Finding the Fourth Proportional to 31,629.12, 43,647.64 and 17,482.20

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Solution

The fourth proportional to 31,629.12, 43,647.64 and 17,482.20 is: 24,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.12 : 43,647.64 = 17,482.20 : x
  2. Step 2: Convert to fraction form
    31,629.12/43,647.64 = 17,482.20/x
  3. Step 3: Cross multiply
    31,629.12x = 43,647.64 × 17,482.20
  4. Step 4: Simplify right side
    31,629.12x = 763,056,772.01
  5. Step 5: Solve for x
    x = 763,056,772.01/31,629.12
  6. Step 6: Final answer
    x = 24,125.13

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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.