Home / 55,829.52-77,044.23-30,679.02

Finding the Fourth Proportional to 55,829.52, 77,044.23 and 30,679.02

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Solution

The fourth proportional to 55,829.52, 77,044.23 and 30,679.02 is: 42,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,829.52 : 77,044.23 = 30,679.02 : x
  2. Step 2: Convert to fraction form
    55,829.52/77,044.23 = 30,679.02/x
  3. Step 3: Cross multiply
    55,829.52x = 77,044.23 × 30,679.02
  4. Step 4: Simplify right side
    55,829.52x = 2,363,641,473.05
  5. Step 5: Solve for x
    x = 2,363,641,473.05/55,829.52
  6. Step 6: Final answer
    x = 42,336.77

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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.