Home / 31,485.27-43,445.25-17,339.04

Finding the Fourth Proportional to 31,485.27, 43,445.25 and 17,339.04

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Solution

The fourth proportional to 31,485.27, 43,445.25 and 17,339.04 is: 23,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485.27 : 43,445.25 = 17,339.04 : x
  2. Step 2: Convert to fraction form
    31,485.27/43,445.25 = 17,339.04/x
  3. Step 3: Cross multiply
    31,485.27x = 43,445.25 × 17,339.04
  4. Step 4: Simplify right side
    31,485.27x = 753,298,927.56
  5. Step 5: Solve for x
    x = 753,298,927.56/31,485.27
  6. Step 6: Final answer
    x = 23,925.44

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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.