Home / 34,518.30-51,704.55-28,686.30

Finding the Fourth Proportional to 34,518.30, 51,704.55 and 28,686.30

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Solution

The fourth proportional to 34,518.30, 51,704.55 and 28,686.30 is: 42,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,518.30 : 51,704.55 = 28,686.30 : x
  2. Step 2: Convert to fraction form
    34,518.30/51,704.55 = 28,686.30/x
  3. Step 3: Cross multiply
    34,518.30x = 51,704.55 × 28,686.30
  4. Step 4: Simplify right side
    34,518.30x = 1,483,212,232.67
  5. Step 5: Solve for x
    x = 1,483,212,232.67/34,518.30
  6. Step 6: Final answer
    x = 42,968.87

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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.