Home / 51,321.80-70,855.35-35,215.57

Finding the Fourth Proportional to 51,321.80, 70,855.35 and 35,215.57

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Solution

The fourth proportional to 51,321.80, 70,855.35 and 35,215.57 is: 48,618.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,321.80 : 70,855.35 = 35,215.57 : x
  2. Step 2: Convert to fraction form
    51,321.80/70,855.35 = 35,215.57/x
  3. Step 3: Cross multiply
    51,321.80x = 70,855.35 × 35,215.57
  4. Step 4: Simplify right side
    51,321.80x = 2,495,211,537.80
  5. Step 5: Solve for x
    x = 2,495,211,537.80/51,321.80
  6. Step 6: Final answer
    x = 48,618.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.