Home / 35,569.06-49,078.20-21,422.81

Finding the Fourth Proportional to 35,569.06, 49,078.20 and 21,422.81

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Solution

The fourth proportional to 35,569.06, 49,078.20 and 21,422.81 is: 29,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,569.06 : 49,078.20 = 21,422.81 : x
  2. Step 2: Convert to fraction form
    35,569.06/49,078.20 = 21,422.81/x
  3. Step 3: Cross multiply
    35,569.06x = 49,078.20 × 21,422.81
  4. Step 4: Simplify right side
    35,569.06x = 1,051,393,156.77
  5. Step 5: Solve for x
    x = 1,051,393,156.77/35,569.06
  6. Step 6: Final answer
    x = 29,559.21

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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.