Home / 35,908.10-53,864.55-12,215.30

Finding the Fourth Proportional to 35,908.10, 53,864.55 and 12,215.30

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Solution

The fourth proportional to 35,908.10, 53,864.55 and 12,215.30 is: 18,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,908.10 : 53,864.55 = 12,215.30 : x
  2. Step 2: Convert to fraction form
    35,908.10/53,864.55 = 12,215.30/x
  3. Step 3: Cross multiply
    35,908.10x = 53,864.55 × 12,215.30
  4. Step 4: Simplify right side
    35,908.10x = 657,971,637.62
  5. Step 5: Solve for x
    x = 657,971,637.62/35,908.10
  6. Step 6: Final answer
    x = 18,323.77

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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.