Home / 35,419.24-53,118.78-12,045.16

Finding the Fourth Proportional to 35,419.24, 53,118.78 and 12,045.16

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Solution

The fourth proportional to 35,419.24, 53,118.78 and 12,045.16 is: 18,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.24 : 53,118.78 = 12,045.16 : x
  2. Step 2: Convert to fraction form
    35,419.24/53,118.78 = 12,045.16/x
  3. Step 3: Cross multiply
    35,419.24x = 53,118.78 × 12,045.16
  4. Step 4: Simplify right side
    35,419.24x = 639,824,204.10
  5. Step 5: Solve for x
    x = 639,824,204.10/35,419.24
  6. Step 6: Final answer
    x = 18,064.31

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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.