Home / 60,888.26-91,341.09-18,771.90

Finding the Fourth Proportional to 60,888.26, 91,341.09 and 18,771.90

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Solution

The fourth proportional to 60,888.26, 91,341.09 and 18,771.90 is: 28,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,888.26 : 91,341.09 = 18,771.90 : x
  2. Step 2: Convert to fraction form
    60,888.26/91,341.09 = 18,771.90/x
  3. Step 3: Cross multiply
    60,888.26x = 91,341.09 × 18,771.90
  4. Step 4: Simplify right side
    60,888.26x = 1,714,645,807.37
  5. Step 5: Solve for x
    x = 1,714,645,807.37/60,888.26
  6. Step 6: Final answer
    x = 28,160.53

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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.