Home / 31,486.02-43,446.29-17,339.79

Finding the Fourth Proportional to 31,486.02, 43,446.29 and 17,339.79

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Solution

The fourth proportional to 31,486.02, 43,446.29 and 17,339.79 is: 23,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.02 : 43,446.29 = 17,339.79 : x
  2. Step 2: Convert to fraction form
    31,486.02/43,446.29 = 17,339.79/x
  3. Step 3: Cross multiply
    31,486.02x = 43,446.29 × 17,339.79
  4. Step 4: Simplify right side
    31,486.02x = 753,349,458.18
  5. Step 5: Solve for x
    x = 753,349,458.18/31,486.02
  6. Step 6: Final answer
    x = 23,926.47

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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.