Home / 40,090.86-60,135.64-13,795.83

Finding the Fourth Proportional to 40,090.86, 60,135.64 and 13,795.83

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Solution

The fourth proportional to 40,090.86, 60,135.64 and 13,795.83 is: 20,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.86 : 60,135.64 = 13,795.83 : x
  2. Step 2: Convert to fraction form
    40,090.86/60,135.64 = 13,795.83/x
  3. Step 3: Cross multiply
    40,090.86x = 60,135.64 × 13,795.83
  4. Step 4: Simplify right side
    40,090.86x = 829,621,066.38
  5. Step 5: Solve for x
    x = 829,621,066.38/40,090.86
  6. Step 6: Final answer
    x = 20,693.52

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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.