Home / 55,312.15-76,330.62-30,161.65

Finding the Fourth Proportional to 55,312.15, 76,330.62 and 30,161.65

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Solution

The fourth proportional to 55,312.15, 76,330.62 and 30,161.65 is: 41,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,312.15 : 76,330.62 = 30,161.65 : x
  2. Step 2: Convert to fraction form
    55,312.15/76,330.62 = 30,161.65/x
  3. Step 3: Cross multiply
    55,312.15x = 76,330.62 × 30,161.65
  4. Step 4: Simplify right side
    55,312.15x = 2,302,256,912.26
  5. Step 5: Solve for x
    x = 2,302,256,912.26/55,312.15
  6. Step 6: Final answer
    x = 41,622.99

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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.