Home / 35,648.69-53,455.04-20,862.05

Finding the Fourth Proportional to 35,648.69, 53,455.04 and 20,862.05

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Solution

The fourth proportional to 35,648.69, 53,455.04 and 20,862.05 is: 31,282.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,648.69 : 53,455.04 = 20,862.05 : x
  2. Step 2: Convert to fraction form
    35,648.69/53,455.04 = 20,862.05/x
  3. Step 3: Cross multiply
    35,648.69x = 53,455.04 × 20,862.05
  4. Step 4: Simplify right side
    35,648.69x = 1,115,181,612.92
  5. Step 5: Solve for x
    x = 1,115,181,612.92/35,648.69
  6. Step 6: Final answer
    x = 31,282.54

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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.