Home / 35,585.86-49,101.50-21,439.48

Finding the Fourth Proportional to 35,585.86, 49,101.50 and 21,439.48

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Solution

The fourth proportional to 35,585.86, 49,101.50 and 21,439.48 is: 29,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,585.86 : 49,101.50 = 21,439.48 : x
  2. Step 2: Convert to fraction form
    35,585.86/49,101.50 = 21,439.48/x
  3. Step 3: Cross multiply
    35,585.86x = 49,101.50 × 21,439.48
  4. Step 4: Simplify right side
    35,585.86x = 1,052,710,627.22
  5. Step 5: Solve for x
    x = 1,052,710,627.22/35,585.86
  6. Step 6: Final answer
    x = 29,582.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.