Home / 60,986.06-91,490.64-18,864.44

Finding the Fourth Proportional to 60,986.06, 91,490.64 and 18,864.44

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Solution

The fourth proportional to 60,986.06, 91,490.64 and 18,864.44 is: 28,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,986.06 : 91,490.64 = 18,864.44 : x
  2. Step 2: Convert to fraction form
    60,986.06/91,490.64 = 18,864.44/x
  3. Step 3: Cross multiply
    60,986.06x = 91,490.64 × 18,864.44
  4. Step 4: Simplify right side
    60,986.06x = 1,725,919,688.84
  5. Step 5: Solve for x
    x = 1,725,919,688.84/60,986.06
  6. Step 6: Final answer
    x = 28,300.23

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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.