Home / 35,389.08-53,090.14-11,697.80

Finding the Fourth Proportional to 35,389.08, 53,090.14 and 11,697.80

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Solution

The fourth proportional to 35,389.08, 53,090.14 and 11,697.80 is: 17,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.08 : 53,090.14 = 11,697.80 : x
  2. Step 2: Convert to fraction form
    35,389.08/53,090.14 = 11,697.80/x
  3. Step 3: Cross multiply
    35,389.08x = 53,090.14 × 11,697.80
  4. Step 4: Simplify right side
    35,389.08x = 621,037,839.69
  5. Step 5: Solve for x
    x = 621,037,839.69/35,389.08
  6. Step 6: Final answer
    x = 17,548.86

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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.