Home / 35,619.42-53,428.50-10,659.54

Finding the Fourth Proportional to 35,619.42, 53,428.50 and 10,659.54

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Solution

The fourth proportional to 35,619.42, 53,428.50 and 10,659.54 is: 15,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.42 : 53,428.50 = 10,659.54 : x
  2. Step 2: Convert to fraction form
    35,619.42/53,428.50 = 10,659.54/x
  3. Step 3: Cross multiply
    35,619.42x = 53,428.50 × 10,659.54
  4. Step 4: Simplify right side
    35,619.42x = 569,523,232.89
  5. Step 5: Solve for x
    x = 569,523,232.89/35,619.42
  6. Step 6: Final answer
    x = 15,989.12

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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.