Home / 36,688.55-50,630.43-19,921.55

Finding the Fourth Proportional to 36,688.55, 50,630.43 and 19,921.55

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Solution

The fourth proportional to 36,688.55, 50,630.43 and 19,921.55 is: 27,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.55 : 50,630.43 = 19,921.55 : x
  2. Step 2: Convert to fraction form
    36,688.55/50,630.43 = 19,921.55/x
  3. Step 3: Cross multiply
    36,688.55x = 50,630.43 × 19,921.55
  4. Step 4: Simplify right side
    36,688.55x = 1,008,636,642.77
  5. Step 5: Solve for x
    x = 1,008,636,642.77/36,688.55
  6. Step 6: Final answer
    x = 27,491.86

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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.