Home / 51,311.17-70,808.72-28,650.54

Finding the Fourth Proportional to 51,311.17, 70,808.72 and 28,650.54

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Solution

The fourth proportional to 51,311.17, 70,808.72 and 28,650.54 is: 39,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,311.17 : 70,808.72 = 28,650.54 : x
  2. Step 2: Convert to fraction form
    51,311.17/70,808.72 = 28,650.54/x
  3. Step 3: Cross multiply
    51,311.17x = 70,808.72 × 28,650.54
  4. Step 4: Simplify right side
    51,311.17x = 2,028,708,064.71
  5. Step 5: Solve for x
    x = 2,028,708,064.71/51,311.17
  6. Step 6: Final answer
    x = 39,537.36

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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.