Home / 68,867.89-103,302.27-18,953.26

Finding the Fourth Proportional to 68,867.89, 103,302.27 and 18,953.26

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Solution

The fourth proportional to 68,867.89, 103,302.27 and 18,953.26 is: 28,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,867.89 : 103,302.27 = 18,953.26 : x
  2. Step 2: Convert to fraction form
    68,867.89/103,302.27 = 18,953.26/x
  3. Step 3: Cross multiply
    68,867.89x = 103,302.27 × 18,953.26
  4. Step 4: Simplify right side
    68,867.89x = 1,957,914,523.64
  5. Step 5: Solve for x
    x = 1,957,914,523.64/68,867.89
  6. Step 6: Final answer
    x = 28,430.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.