Home / 55,106.84-82,683.66-30,117.69

Finding the Fourth Proportional to 55,106.84, 82,683.66 and 30,117.69

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Solution

The fourth proportional to 55,106.84, 82,683.66 and 30,117.69 is: 45,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,106.84 : 82,683.66 = 30,117.69 : x
  2. Step 2: Convert to fraction form
    55,106.84/82,683.66 = 30,117.69/x
  3. Step 3: Cross multiply
    55,106.84x = 82,683.66 × 30,117.69
  4. Step 4: Simplify right side
    55,106.84x = 2,490,240,976.15
  5. Step 5: Solve for x
    x = 2,490,240,976.15/55,106.84
  6. Step 6: Final answer
    x = 45,189.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.