Home / 53,659.12-74,041.04-29,785.28

Finding the Fourth Proportional to 53,659.12, 74,041.04 and 29,785.28

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Solution

The fourth proportional to 53,659.12, 74,041.04 and 29,785.28 is: 41,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,659.12 : 74,041.04 = 29,785.28 : x
  2. Step 2: Convert to fraction form
    53,659.12/74,041.04 = 29,785.28/x
  3. Step 3: Cross multiply
    53,659.12x = 74,041.04 × 29,785.28
  4. Step 4: Simplify right side
    53,659.12x = 2,205,333,107.89
  5. Step 5: Solve for x
    x = 2,205,333,107.89/53,659.12
  6. Step 6: Final answer
    x = 41,098.94

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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.