Home / 55,829.78-77,045.41-30,336.36

Finding the Fourth Proportional to 55,829.78, 77,045.41 and 30,336.36

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Solution

The fourth proportional to 55,829.78, 77,045.41 and 30,336.36 is: 41,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,829.78 : 77,045.41 = 30,336.36 : x
  2. Step 2: Convert to fraction form
    55,829.78/77,045.41 = 30,336.36/x
  3. Step 3: Cross multiply
    55,829.78x = 77,045.41 × 30,336.36
  4. Step 4: Simplify right side
    55,829.78x = 2,337,277,294.11
  5. Step 5: Solve for x
    x = 2,337,277,294.11/55,829.78
  6. Step 6: Final answer
    x = 41,864.35

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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.