Home / 51,931.67-77,966.70-35,121.16

Finding the Fourth Proportional to 51,931.67, 77,966.70 and 35,121.16

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Solution

The fourth proportional to 51,931.67, 77,966.70 and 35,121.16 is: 52,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931.67 : 77,966.70 = 35,121.16 : x
  2. Step 2: Convert to fraction form
    51,931.67/77,966.70 = 35,121.16/x
  3. Step 3: Cross multiply
    51,931.67x = 77,966.70 × 35,121.16
  4. Step 4: Simplify right side
    51,931.67x = 2,738,280,379.93
  5. Step 5: Solve for x
    x = 2,738,280,379.93/51,931.67
  6. Step 6: Final answer
    x = 52,728.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.