Home / 38,680.36-58,020.54-10,977.64

Finding the Fourth Proportional to 38,680.36, 58,020.54 and 10,977.64

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Solution

The fourth proportional to 38,680.36, 58,020.54 and 10,977.64 is: 16,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,680.36 : 58,020.54 = 10,977.64 : x
  2. Step 2: Convert to fraction form
    38,680.36/58,020.54 = 10,977.64/x
  3. Step 3: Cross multiply
    38,680.36x = 58,020.54 × 10,977.64
  4. Step 4: Simplify right side
    38,680.36x = 636,928,600.73
  5. Step 5: Solve for x
    x = 636,928,600.73/38,680.36
  6. Step 6: Final answer
    x = 16,466.46

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1.5x scale

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.