Home / 31,493.19-47,239.73-21,602.52

Finding the Fourth Proportional to 31,493.19, 47,239.73 and 21,602.52

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Solution

The fourth proportional to 31,493.19, 47,239.73 and 21,602.52 is: 32,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.19 : 47,239.73 = 21,602.52 : x
  2. Step 2: Convert to fraction form
    31,493.19/47,239.73 = 21,602.52/x
  3. Step 3: Cross multiply
    31,493.19x = 47,239.73 × 21,602.52
  4. Step 4: Simplify right side
    31,493.19x = 1,020,497,104.11
  5. Step 5: Solve for x
    x = 1,020,497,104.11/31,493.19
  6. Step 6: Final answer
    x = 32,403.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.