Home / 35,498.36-48,987.77-20,393.93

Finding the Fourth Proportional to 35,498.36, 48,987.77 and 20,393.93

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Solution

The fourth proportional to 35,498.36, 48,987.77 and 20,393.93 is: 28,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,498.36 : 48,987.77 = 20,393.93 : x
  2. Step 2: Convert to fraction form
    35,498.36/48,987.77 = 20,393.93/x
  3. Step 3: Cross multiply
    35,498.36x = 48,987.77 × 20,393.93
  4. Step 4: Simplify right side
    35,498.36x = 999,052,805.33
  5. Step 5: Solve for x
    x = 999,052,805.33/35,498.36
  6. Step 6: Final answer
    x = 28,143.64

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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.