Home / 55,169.84-76,133.64-30,019.28

Finding the Fourth Proportional to 55,169.84, 76,133.64 and 30,019.28

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Solution

The fourth proportional to 55,169.84, 76,133.64 and 30,019.28 is: 41,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,169.84 : 76,133.64 = 30,019.28 : x
  2. Step 2: Convert to fraction form
    55,169.84/76,133.64 = 30,019.28/x
  3. Step 3: Cross multiply
    55,169.84x = 76,133.64 × 30,019.28
  4. Step 4: Simplify right side
    55,169.84x = 2,285,477,056.58
  5. Step 5: Solve for x
    x = 2,285,477,056.58/55,169.84
  6. Step 6: Final answer
    x = 41,426.20

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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.