Home / 40,770.63-61,076.37-28,090.47

Finding the Fourth Proportional to 40,770.63, 61,076.37 and 28,090.47

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Solution

The fourth proportional to 40,770.63, 61,076.37 and 28,090.47 is: 42,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,770.63 : 61,076.37 = 28,090.47 : x
  2. Step 2: Convert to fraction form
    40,770.63/61,076.37 = 28,090.47/x
  3. Step 3: Cross multiply
    40,770.63x = 61,076.37 × 28,090.47
  4. Step 4: Simplify right side
    40,770.63x = 1,715,663,939.19
  5. Step 5: Solve for x
    x = 1,715,663,939.19/40,770.63
  6. Step 6: Final answer
    x = 42,080.88

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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.