Home / 51,136.37-70,568.01-28,475.64

Finding the Fourth Proportional to 51,136.37, 70,568.01 and 28,475.64

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Solution

The fourth proportional to 51,136.37, 70,568.01 and 28,475.64 is: 39,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.37 : 70,568.01 = 28,475.64 : x
  2. Step 2: Convert to fraction form
    51,136.37/70,568.01 = 28,475.64/x
  3. Step 3: Cross multiply
    51,136.37x = 70,568.01 × 28,475.64
  4. Step 4: Simplify right side
    51,136.37x = 2,009,469,248.28
  5. Step 5: Solve for x
    x = 2,009,469,248.28/51,136.37
  6. Step 6: Final answer
    x = 39,296.28

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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.