Home / 51,255.36-70,709.25-30,025.65

Finding the Fourth Proportional to 51,255.36, 70,709.25 and 30,025.65

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Solution

The fourth proportional to 51,255.36, 70,709.25 and 30,025.65 is: 41,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,255.36 : 70,709.25 = 30,025.65 : x
  2. Step 2: Convert to fraction form
    51,255.36/70,709.25 = 30,025.65/x
  3. Step 3: Cross multiply
    51,255.36x = 70,709.25 × 30,025.65
  4. Step 4: Simplify right side
    51,255.36x = 2,123,091,192.26
  5. Step 5: Solve for x
    x = 2,123,091,192.26/51,255.36
  6. Step 6: Final answer
    x = 41,421.84

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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.