Home / 34,649.13-47,823.23-21,894.21

Finding the Fourth Proportional to 34,649.13, 47,823.23 and 21,894.21

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Solution

The fourth proportional to 34,649.13, 47,823.23 and 21,894.21 is: 30,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,649.13 : 47,823.23 = 21,894.21 : x
  2. Step 2: Convert to fraction form
    34,649.13/47,823.23 = 21,894.21/x
  3. Step 3: Cross multiply
    34,649.13x = 47,823.23 × 21,894.21
  4. Step 4: Simplify right side
    34,649.13x = 1,047,051,731.03
  5. Step 5: Solve for x
    x = 1,047,051,731.03/34,649.13
  6. Step 6: Final answer
    x = 30,218.70

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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.