Home / 53,529.65-80,295.78-17,991.49

Finding the Fourth Proportional to 53,529.65, 80,295.78 and 17,991.49

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Solution

The fourth proportional to 53,529.65, 80,295.78 and 17,991.49 is: 26,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,529.65 : 80,295.78 = 17,991.49 : x
  2. Step 2: Convert to fraction form
    53,529.65/80,295.78 = 17,991.49/x
  3. Step 3: Cross multiply
    53,529.65x = 80,295.78 × 17,991.49
  4. Step 4: Simplify right side
    53,529.65x = 1,444,640,722.91
  5. Step 5: Solve for x
    x = 1,444,640,722.91/53,529.65
  6. Step 6: Final answer
    x = 26,987.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.