Home / 53,681.57-74,085.00-29,809.79

Finding the Fourth Proportional to 53,681.57, 74,085.00 and 29,809.79

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Solution

The fourth proportional to 53,681.57, 74,085.00 and 29,809.79 is: 41,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681.57 : 74,085.00 = 29,809.79 : x
  2. Step 2: Convert to fraction form
    53,681.57/74,085.00 = 29,809.79/x
  3. Step 3: Cross multiply
    53,681.57x = 74,085.00 × 29,809.79
  4. Step 4: Simplify right side
    53,681.57x = 2,208,458,087.76
  5. Step 5: Solve for x
    x = 2,208,458,087.76/53,681.57
  6. Step 6: Final answer
    x = 41,139.97

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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.