Home / 35,753.61-49,341.30-21,603.72

Finding the Fourth Proportional to 35,753.61, 49,341.30 and 21,603.72

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Solution

The fourth proportional to 35,753.61, 49,341.30 and 21,603.72 is: 29,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,753.61 : 49,341.30 = 21,603.72 : x
  2. Step 2: Convert to fraction form
    35,753.61/49,341.30 = 21,603.72/x
  3. Step 3: Cross multiply
    35,753.61x = 49,341.30 × 21,603.72
  4. Step 4: Simplify right side
    35,753.61x = 1,065,955,629.64
  5. Step 5: Solve for x
    x = 1,065,955,629.64/35,753.61
  6. Step 6: Final answer
    x = 29,813.93

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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.