Home / 46,779.54-70,219.25-20,138.71

Finding the Fourth Proportional to 46,779.54, 70,219.25 and 20,138.71

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Solution

The fourth proportional to 46,779.54, 70,219.25 and 20,138.71 is: 30,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,779.54 : 70,219.25 = 20,138.71 : x
  2. Step 2: Convert to fraction form
    46,779.54/70,219.25 = 20,138.71/x
  3. Step 3: Cross multiply
    46,779.54x = 70,219.25 × 20,138.71
  4. Step 4: Simplify right side
    46,779.54x = 1,414,125,112.17
  5. Step 5: Solve for x
    x = 1,414,125,112.17/46,779.54
  6. Step 6: Final answer
    x = 30,229.56

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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.