Home / 31,416.21-43,357.01-17,271.72

Finding the Fourth Proportional to 31,416.21, 43,357.01 and 17,271.72

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Solution

The fourth proportional to 31,416.21, 43,357.01 and 17,271.72 is: 23,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.21 : 43,357.01 = 17,271.72 : x
  2. Step 2: Convert to fraction form
    31,416.21/43,357.01 = 17,271.72/x
  3. Step 3: Cross multiply
    31,416.21x = 43,357.01 × 17,271.72
  4. Step 4: Simplify right side
    31,416.21x = 748,850,050.40
  5. Step 5: Solve for x
    x = 748,850,050.40/31,416.21
  6. Step 6: Final answer
    x = 23,836.42

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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.