Home / 51,028.74-70,428.03-42,517.38

Finding the Fourth Proportional to 51,028.74, 70,428.03 and 42,517.38

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Solution

The fourth proportional to 51,028.74, 70,428.03 and 42,517.38 is: 58,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,028.74 : 70,428.03 = 42,517.38 : x
  2. Step 2: Convert to fraction form
    51,028.74/70,428.03 = 42,517.38/x
  3. Step 3: Cross multiply
    51,028.74x = 70,428.03 × 42,517.38
  4. Step 4: Simplify right side
    51,028.74x = 2,994,415,314.16
  5. Step 5: Solve for x
    x = 2,994,415,314.16/51,028.74
  6. Step 6: Final answer
    x = 58,680.96

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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.