Home / 53,987.69-74,502.98-30,114.36

Finding the Fourth Proportional to 53,987.69, 74,502.98 and 30,114.36

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Solution

The fourth proportional to 53,987.69, 74,502.98 and 30,114.36 is: 41,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,987.69 : 74,502.98 = 30,114.36 : x
  2. Step 2: Convert to fraction form
    53,987.69/74,502.98 = 30,114.36/x
  3. Step 3: Cross multiply
    53,987.69x = 74,502.98 × 30,114.36
  4. Step 4: Simplify right side
    53,987.69x = 2,243,609,410.22
  5. Step 5: Solve for x
    x = 2,243,609,410.22/53,987.69
  6. Step 6: Final answer
    x = 41,557.79

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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.