Home / 51,147.23-70,550.21-33,021.05

Finding the Fourth Proportional to 51,147.23, 70,550.21 and 33,021.05

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Solution

The fourth proportional to 51,147.23, 70,550.21 and 33,021.05 is: 45,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,147.23 : 70,550.21 = 33,021.05 : x
  2. Step 2: Convert to fraction form
    51,147.23/70,550.21 = 33,021.05/x
  3. Step 3: Cross multiply
    51,147.23x = 70,550.21 × 33,021.05
  4. Step 4: Simplify right side
    51,147.23x = 2,329,641,741.72
  5. Step 5: Solve for x
    x = 2,329,641,741.72/51,147.23
  6. Step 6: Final answer
    x = 45,547.76

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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.