Home / 35,486.64-53,232.66-20,697.03

Finding the Fourth Proportional to 35,486.64, 53,232.66 and 20,697.03

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Solution

The fourth proportional to 35,486.64, 53,232.66 and 20,697.03 is: 31,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.64 : 53,232.66 = 20,697.03 : x
  2. Step 2: Convert to fraction form
    35,486.64/53,232.66 = 20,697.03/x
  3. Step 3: Cross multiply
    35,486.64x = 53,232.66 × 20,697.03
  4. Step 4: Simplify right side
    35,486.64x = 1,101,757,961.00
  5. Step 5: Solve for x
    x = 1,101,757,961.00/35,486.64
  6. Step 6: Final answer
    x = 31,047.12

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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.