Home / 49,330.36-68,077.74-28,109.08

Finding the Fourth Proportional to 49,330.36, 68,077.74 and 28,109.08

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Solution

The fourth proportional to 49,330.36, 68,077.74 and 28,109.08 is: 38,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,330.36 : 68,077.74 = 28,109.08 : x
  2. Step 2: Convert to fraction form
    49,330.36/68,077.74 = 28,109.08/x
  3. Step 3: Cross multiply
    49,330.36x = 68,077.74 × 28,109.08
  4. Step 4: Simplify right side
    49,330.36x = 1,913,602,639.88
  5. Step 5: Solve for x
    x = 1,913,602,639.88/49,330.36
  6. Step 6: Final answer
    x = 38,791.58

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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.