Home / 55,180.90-76,148.94-30,030.40

Finding the Fourth Proportional to 55,180.90, 76,148.94 and 30,030.40

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Solution

The fourth proportional to 55,180.90, 76,148.94 and 30,030.40 is: 41,441.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,180.90 : 76,148.94 = 30,030.40 : x
  2. Step 2: Convert to fraction form
    55,180.90/76,148.94 = 30,030.40/x
  3. Step 3: Cross multiply
    55,180.90x = 76,148.94 × 30,030.40
  4. Step 4: Simplify right side
    55,180.90x = 2,286,783,127.78
  5. Step 5: Solve for x
    x = 2,286,783,127.78/55,180.90
  6. Step 6: Final answer
    x = 41,441.57

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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.