Home / 53,465.50-73,775.91-30,811.83

Finding the Fourth Proportional to 53,465.50, 73,775.91 and 30,811.83

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Solution

The fourth proportional to 53,465.50, 73,775.91 and 30,811.83 is: 42,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,465.50 : 73,775.91 = 30,811.83 : x
  2. Step 2: Convert to fraction form
    53,465.50/73,775.91 = 30,811.83/x
  3. Step 3: Cross multiply
    53,465.50x = 73,775.91 × 30,811.83
  4. Step 4: Simplify right side
    53,465.50x = 2,273,170,635.90
  5. Step 5: Solve for x
    x = 2,273,170,635.90/53,465.50
  6. Step 6: Final answer
    x = 42,516.59

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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.