Home / 55,451.04-76,503.24-43,395

Finding the Fourth Proportional to 55,451.04, 76,503.24 and 43,395

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Solution

The fourth proportional to 55,451.04, 76,503.24 and 43,395 is: 59,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,451.04 : 76,503.24 = 43,395 : x
  2. Step 2: Convert to fraction form
    55,451.04/76,503.24 = 43,395/x
  3. Step 3: Cross multiply
    55,451.04x = 76,503.24 × 43,395
  4. Step 4: Simplify right side
    55,451.04x = 3,319,858,099.80
  5. Step 5: Solve for x
    x = 3,319,858,099.80/55,451.04
  6. Step 6: Final answer
    x = 59,870.08

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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.