Home / 60,305.40-90,466.20-20,874.60

Finding the Fourth Proportional to 60,305.40, 90,466.20 and 20,874.60

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Solution

The fourth proportional to 60,305.40, 90,466.20 and 20,874.60 is: 31,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,305.40 : 90,466.20 = 20,874.60 : x
  2. Step 2: Convert to fraction form
    60,305.40/90,466.20 = 20,874.60/x
  3. Step 3: Cross multiply
    60,305.40x = 90,466.20 × 20,874.60
  4. Step 4: Simplify right side
    60,305.40x = 1,888,445,738.52
  5. Step 5: Solve for x
    x = 1,888,445,738.52/60,305.40
  6. Step 6: Final answer
    x = 31,314.70

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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.