Home / 53,987.56-74,504.26-30,118.88

Finding the Fourth Proportional to 53,987.56, 74,504.26 and 30,118.88

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Solution

The fourth proportional to 53,987.56, 74,504.26 and 30,118.88 is: 41,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,987.56 : 74,504.26 = 30,118.88 : x
  2. Step 2: Convert to fraction form
    53,987.56/74,504.26 = 30,118.88/x
  3. Step 3: Cross multiply
    53,987.56x = 74,504.26 × 30,118.88
  4. Step 4: Simplify right side
    53,987.56x = 2,243,984,866.43
  5. Step 5: Solve for x
    x = 2,243,984,866.43/53,987.56
  6. Step 6: Final answer
    x = 41,564.85

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1.5x scale

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.