Home / 53,243.32-73,475.86-30,586.70

Finding the Fourth Proportional to 53,243.32, 73,475.86 and 30,586.70

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Solution

The fourth proportional to 53,243.32, 73,475.86 and 30,586.70 is: 42,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,243.32 : 73,475.86 = 30,586.70 : x
  2. Step 2: Convert to fraction form
    53,243.32/73,475.86 = 30,586.70/x
  3. Step 3: Cross multiply
    53,243.32x = 73,475.86 × 30,586.70
  4. Step 4: Simplify right side
    53,243.32x = 2,247,384,087.06
  5. Step 5: Solve for x
    x = 2,247,384,087.06/53,243.32
  6. Step 6: Final answer
    x = 42,209.69

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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.