Home / 55,267.82-76,269.30-30,117.32

Finding the Fourth Proportional to 55,267.82, 76,269.30 and 30,117.32

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Solution

The fourth proportional to 55,267.82, 76,269.30 and 30,117.32 is: 41,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,267.82 : 76,269.30 = 30,117.32 : x
  2. Step 2: Convert to fraction form
    55,267.82/76,269.30 = 30,117.32/x
  3. Step 3: Cross multiply
    55,267.82x = 76,269.30 × 30,117.32
  4. Step 4: Simplify right side
    55,267.82x = 2,297,026,914.28
  5. Step 5: Solve for x
    x = 2,297,026,914.28/55,267.82
  6. Step 6: Final answer
    x = 41,561.74

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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.