Home / 39,280.60-58,848.90-18,458.20

Finding the Fourth Proportional to 39,280.60, 58,848.90 and 18,458.20

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Solution

The fourth proportional to 39,280.60, 58,848.90 and 18,458.20 is: 27,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,280.60 : 58,848.90 = 18,458.20 : x
  2. Step 2: Convert to fraction form
    39,280.60/58,848.90 = 18,458.20/x
  3. Step 3: Cross multiply
    39,280.60x = 58,848.90 × 18,458.20
  4. Step 4: Simplify right side
    39,280.60x = 1,086,244,765.98
  5. Step 5: Solve for x
    x = 1,086,244,765.98/39,280.60
  6. Step 6: Final answer
    x = 27,653.47

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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.