Home / 51,812.36-77,635.48-46,830.12

Finding the Fourth Proportional to 51,812.36, 77,635.48 and 46,830.12

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Solution

The fourth proportional to 51,812.36, 77,635.48 and 46,830.12 is: 70,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,812.36 : 77,635.48 = 46,830.12 : x
  2. Step 2: Convert to fraction form
    51,812.36/77,635.48 = 46,830.12/x
  3. Step 3: Cross multiply
    51,812.36x = 77,635.48 × 46,830.12
  4. Step 4: Simplify right side
    51,812.36x = 3,635,678,844.66
  5. Step 5: Solve for x
    x = 3,635,678,844.66/51,812.36
  6. Step 6: Final answer
    x = 70,170.11

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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.