Home / 62,112.94-93,140.74-19,985.20

Finding the Fourth Proportional to 62,112.94, 93,140.74 and 19,985.20

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Solution

The fourth proportional to 62,112.94, 93,140.74 and 19,985.20 is: 29,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,112.94 : 93,140.74 = 19,985.20 : x
  2. Step 2: Convert to fraction form
    62,112.94/93,140.74 = 19,985.20/x
  3. Step 3: Cross multiply
    62,112.94x = 93,140.74 × 19,985.20
  4. Step 4: Simplify right side
    62,112.94x = 1,861,436,317.05
  5. Step 5: Solve for x
    x = 1,861,436,317.05/62,112.94
  6. Step 6: Final answer
    x = 29,968.58

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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.