Home / 31,333.02-43,239.60-17,186.22

Finding the Fourth Proportional to 31,333.02, 43,239.60 and 17,186.22

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Solution

The fourth proportional to 31,333.02, 43,239.60 and 17,186.22 is: 23,717.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,333.02 : 43,239.60 = 17,186.22 : x
  2. Step 2: Convert to fraction form
    31,333.02/43,239.60 = 17,186.22/x
  3. Step 3: Cross multiply
    31,333.02x = 43,239.60 × 17,186.22
  4. Step 4: Simplify right side
    31,333.02x = 743,125,278.31
  5. Step 5: Solve for x
    x = 743,125,278.31/31,333.02
  6. Step 6: Final answer
    x = 23,717.00

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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.