Home / 40,077.66-60,112.44-13,784.25

Finding the Fourth Proportional to 40,077.66, 60,112.44 and 13,784.25

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Solution

The fourth proportional to 40,077.66, 60,112.44 and 13,784.25 is: 20,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077.66 : 60,112.44 = 13,784.25 : x
  2. Step 2: Convert to fraction form
    40,077.66/60,112.44 = 13,784.25/x
  3. Step 3: Cross multiply
    40,077.66x = 60,112.44 × 13,784.25
  4. Step 4: Simplify right side
    40,077.66x = 828,604,901.07
  5. Step 5: Solve for x
    x = 828,604,901.07/40,077.66
  6. Step 6: Final answer
    x = 20,674.98

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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.