Home / 34,211.60-51,370.20-18,659.60

Finding the Fourth Proportional to 34,211.60, 51,370.20 and 18,659.60

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Solution

The fourth proportional to 34,211.60, 51,370.20 and 18,659.60 is: 28,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,211.60 : 51,370.20 = 18,659.60 : x
  2. Step 2: Convert to fraction form
    34,211.60/51,370.20 = 18,659.60/x
  3. Step 3: Cross multiply
    34,211.60x = 51,370.20 × 18,659.60
  4. Step 4: Simplify right side
    34,211.60x = 958,547,383.92
  5. Step 5: Solve for x
    x = 958,547,383.92/34,211.60
  6. Step 6: Final answer
    x = 28,018.20

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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.