Home / 31,181.81-43,030.60-17,034.35

Finding the Fourth Proportional to 31,181.81, 43,030.60 and 17,034.35

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Solution

The fourth proportional to 31,181.81, 43,030.60 and 17,034.35 is: 23,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.81 : 43,030.60 = 17,034.35 : x
  2. Step 2: Convert to fraction form
    31,181.81/43,030.60 = 17,034.35/x
  3. Step 3: Cross multiply
    31,181.81x = 43,030.60 × 17,034.35
  4. Step 4: Simplify right side
    31,181.81x = 732,998,043.37
  5. Step 5: Solve for x
    x = 732,998,043.37/31,181.81
  6. Step 6: Final answer
    x = 23,507.24

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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.