Home / 55,127.58-76,077.84-29,977.08

Finding the Fourth Proportional to 55,127.58, 76,077.84 and 29,977.08

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Solution

The fourth proportional to 55,127.58, 76,077.84 and 29,977.08 is: 41,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,127.58 : 76,077.84 = 29,977.08 : x
  2. Step 2: Convert to fraction form
    55,127.58/76,077.84 = 29,977.08/x
  3. Step 3: Cross multiply
    55,127.58x = 76,077.84 × 29,977.08
  4. Step 4: Simplify right side
    55,127.58x = 2,280,591,495.91
  5. Step 5: Solve for x
    x = 2,280,591,495.91/55,127.58
  6. Step 6: Final answer
    x = 41,369.34

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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.