Home / 55,778.41-76,973.78-30,284.28

Finding the Fourth Proportional to 55,778.41, 76,973.78 and 30,284.28

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Solution

The fourth proportional to 55,778.41, 76,973.78 and 30,284.28 is: 41,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,778.41 : 76,973.78 = 30,284.28 : x
  2. Step 2: Convert to fraction form
    55,778.41/76,973.78 = 30,284.28/x
  3. Step 3: Cross multiply
    55,778.41x = 76,973.78 × 30,284.28
  4. Step 4: Simplify right side
    55,778.41x = 2,331,095,506.18
  5. Step 5: Solve for x
    x = 2,331,095,506.18/55,778.41
  6. Step 6: Final answer
    x = 41,792.08

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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.