Home / 49,859.64-74,656.98-30,111.48

Finding the Fourth Proportional to 49,859.64, 74,656.98 and 30,111.48

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Solution

The fourth proportional to 49,859.64, 74,656.98 and 30,111.48 is: 45,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,859.64 : 74,656.98 = 30,111.48 : x
  2. Step 2: Convert to fraction form
    49,859.64/74,656.98 = 30,111.48/x
  3. Step 3: Cross multiply
    49,859.64x = 74,656.98 × 30,111.48
  4. Step 4: Simplify right side
    49,859.64x = 2,248,032,160.13
  5. Step 5: Solve for x
    x = 2,248,032,160.13/49,859.64
  6. Step 6: Final answer
    x = 45,087.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.