Home / 31,506.02-47,265.51-21,649.94

Finding the Fourth Proportional to 31,506.02, 47,265.51 and 21,649.94

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Solution

The fourth proportional to 31,506.02, 47,265.51 and 21,649.94 is: 32,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.02 : 47,265.51 = 21,649.94 : x
  2. Step 2: Convert to fraction form
    31,506.02/47,265.51 = 21,649.94/x
  3. Step 3: Cross multiply
    31,506.02x = 47,265.51 × 21,649.94
  4. Step 4: Simplify right side
    31,506.02x = 1,023,295,455.57
  5. Step 5: Solve for x
    x = 1,023,295,455.57/31,506.02
  6. Step 6: Final answer
    x = 32,479.36

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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.