Home / 51,040.53-70,431.12-47,278.89

Finding the Fourth Proportional to 51,040.53, 70,431.12 and 47,278.89

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Solution

The fourth proportional to 51,040.53, 70,431.12 and 47,278.89 is: 65,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,040.53 : 70,431.12 = 47,278.89 : x
  2. Step 2: Convert to fraction form
    51,040.53/70,431.12 = 47,278.89/x
  3. Step 3: Cross multiply
    51,040.53x = 70,431.12 × 47,278.89
  4. Step 4: Simplify right side
    51,040.53x = 3,329,905,175.06
  5. Step 5: Solve for x
    x = 3,329,905,175.06/51,040.53
  6. Step 6: Final answer
    x = 65,240.41

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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.