Home / 34,157.40-51,148.50-28,908.60

Finding the Fourth Proportional to 34,157.40, 51,148.50 and 28,908.60

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Solution

The fourth proportional to 34,157.40, 51,148.50 and 28,908.60 is: 43,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157.40 : 51,148.50 = 28,908.60 : x
  2. Step 2: Convert to fraction form
    34,157.40/51,148.50 = 28,908.60/x
  3. Step 3: Cross multiply
    34,157.40x = 51,148.50 × 28,908.60
  4. Step 4: Simplify right side
    34,157.40x = 1,478,631,527.10
  5. Step 5: Solve for x
    x = 1,478,631,527.10/34,157.40
  6. Step 6: Final answer
    x = 43,288.76

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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.