Home / 49,307.93-68,028.32-28,072.16

Finding the Fourth Proportional to 49,307.93, 68,028.32 and 28,072.16

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Solution

The fourth proportional to 49,307.93, 68,028.32 and 28,072.16 is: 38,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,307.93 : 68,028.32 = 28,072.16 : x
  2. Step 2: Convert to fraction form
    49,307.93/68,028.32 = 28,072.16/x
  3. Step 3: Cross multiply
    49,307.93x = 68,028.32 × 28,072.16
  4. Step 4: Simplify right side
    49,307.93x = 1,909,701,883.57
  5. Step 5: Solve for x
    x = 1,909,701,883.57/49,307.93
  6. Step 6: Final answer
    x = 38,730.12

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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.