Home / 35,421.77-48,867.37-21,078.73

Finding the Fourth Proportional to 35,421.77, 48,867.37 and 21,078.73

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Solution

The fourth proportional to 35,421.77, 48,867.37 and 21,078.73 is: 29,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.77 : 48,867.37 = 21,078.73 : x
  2. Step 2: Convert to fraction form
    35,421.77/48,867.37 = 21,078.73/x
  3. Step 3: Cross multiply
    35,421.77x = 48,867.37 × 21,078.73
  4. Step 4: Simplify right side
    35,421.77x = 1,030,061,853.70
  5. Step 5: Solve for x
    x = 1,030,061,853.70/35,421.77
  6. Step 6: Final answer
    x = 29,079.91

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1.5x scale

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.