Home / 42,090.37-58,090.23-29,335.30

Finding the Fourth Proportional to 42,090.37, 58,090.23 and 29,335.30

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Solution

The fourth proportional to 42,090.37, 58,090.23 and 29,335.30 is: 40,486.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,090.37 : 58,090.23 = 29,335.30 : x
  2. Step 2: Convert to fraction form
    42,090.37/58,090.23 = 29,335.30/x
  3. Step 3: Cross multiply
    42,090.37x = 58,090.23 × 29,335.30
  4. Step 4: Simplify right side
    42,090.37x = 1,704,094,324.12
  5. Step 5: Solve for x
    x = 1,704,094,324.12/42,090.37
  6. Step 6: Final answer
    x = 40,486.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.