Home / 51,425.88-70,954.56-30,201.18

Finding the Fourth Proportional to 51,425.88, 70,954.56 and 30,201.18

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Solution

The fourth proportional to 51,425.88, 70,954.56 and 30,201.18 is: 41,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,425.88 : 70,954.56 = 30,201.18 : x
  2. Step 2: Convert to fraction form
    51,425.88/70,954.56 = 30,201.18/x
  3. Step 3: Cross multiply
    51,425.88x = 70,954.56 × 30,201.18
  4. Step 4: Simplify right side
    51,425.88x = 2,142,911,438.38
  5. Step 5: Solve for x
    x = 2,142,911,438.38/51,425.88
  6. Step 6: Final answer
    x = 41,669.90

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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.