Home / 35,643.74-53,471.39-13,459.05

Finding the Fourth Proportional to 35,643.74, 53,471.39 and 13,459.05

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Solution

The fourth proportional to 35,643.74, 53,471.39 and 13,459.05 is: 20,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.74 : 53,471.39 = 13,459.05 : x
  2. Step 2: Convert to fraction form
    35,643.74/53,471.39 = 13,459.05/x
  3. Step 3: Cross multiply
    35,643.74x = 53,471.39 × 13,459.05
  4. Step 4: Simplify right side
    35,643.74x = 719,674,044.28
  5. Step 5: Solve for x
    x = 719,674,044.28/35,643.74
  6. Step 6: Final answer
    x = 20,190.76

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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.