Home / 53,988.91-74,504.66-30,115.58

Finding the Fourth Proportional to 53,988.91, 74,504.66 and 30,115.58

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Solution

The fourth proportional to 53,988.91, 74,504.66 and 30,115.58 is: 41,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,988.91 : 74,504.66 = 30,115.58 : x
  2. Step 2: Convert to fraction form
    53,988.91/74,504.66 = 30,115.58/x
  3. Step 3: Cross multiply
    53,988.91x = 74,504.66 × 30,115.58
  4. Step 4: Simplify right side
    53,988.91x = 2,243,750,525.50
  5. Step 5: Solve for x
    x = 2,243,750,525.50/53,988.91
  6. Step 6: Final answer
    x = 41,559.47

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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.