Home / 35,427.12-53,128.31-10,460.54

Finding the Fourth Proportional to 35,427.12, 53,128.31 and 10,460.54

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Solution

The fourth proportional to 35,427.12, 53,128.31 and 10,460.54 is: 15,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,427.12 : 53,128.31 = 10,460.54 : x
  2. Step 2: Convert to fraction form
    35,427.12/53,128.31 = 10,460.54/x
  3. Step 3: Cross multiply
    35,427.12x = 53,128.31 × 10,460.54
  4. Step 4: Simplify right side
    35,427.12x = 555,750,892.41
  5. Step 5: Solve for x
    x = 555,750,892.41/35,427.12
  6. Step 6: Final answer
    x = 15,687.16

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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.