Home / 35,559.79-49,064.86-21,215.77

Finding the Fourth Proportional to 35,559.79, 49,064.86 and 21,215.77

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Solution

The fourth proportional to 35,559.79, 49,064.86 and 21,215.77 is: 29,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,559.79 : 49,064.86 = 21,215.77 : x
  2. Step 2: Convert to fraction form
    35,559.79/49,064.86 = 21,215.77/x
  3. Step 3: Cross multiply
    35,559.79x = 49,064.86 × 21,215.77
  4. Step 4: Simplify right side
    35,559.79x = 1,040,948,784.84
  5. Step 5: Solve for x
    x = 1,040,948,784.84/35,559.79
  6. Step 6: Final answer
    x = 29,273.20

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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.