Home / 61,215.36-84,476.16-36,060.48

Finding the Fourth Proportional to 61,215.36, 84,476.16 and 36,060.48

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Solution

The fourth proportional to 61,215.36, 84,476.16 and 36,060.48 is: 49,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,215.36 : 84,476.16 = 36,060.48 : x
  2. Step 2: Convert to fraction form
    61,215.36/84,476.16 = 36,060.48/x
  3. Step 3: Cross multiply
    61,215.36x = 84,476.16 × 36,060.48
  4. Step 4: Simplify right side
    61,215.36x = 3,046,250,878.16
  5. Step 5: Solve for x
    x = 3,046,250,878.16/61,215.36
  6. Step 6: Final answer
    x = 49,762.85

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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.