Home / 49,280.54-68,019.30-28,072.34

Finding the Fourth Proportional to 49,280.54, 68,019.30 and 28,072.34

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Solution

The fourth proportional to 49,280.54, 68,019.30 and 28,072.34 is: 38,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,280.54 : 68,019.30 = 28,072.34 : x
  2. Step 2: Convert to fraction form
    49,280.54/68,019.30 = 28,072.34/x
  3. Step 3: Cross multiply
    49,280.54x = 68,019.30 × 28,072.34
  4. Step 4: Simplify right side
    49,280.54x = 1,909,460,916.16
  5. Step 5: Solve for x
    x = 1,909,460,916.16/49,280.54
  6. Step 6: Final answer
    x = 38,746.75

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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.