Home / 36,558.47-50,450.70-20,643.95

Finding the Fourth Proportional to 36,558.47, 50,450.70 and 20,643.95

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Solution

The fourth proportional to 36,558.47, 50,450.70 and 20,643.95 is: 28,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,558.47 : 50,450.70 = 20,643.95 : x
  2. Step 2: Convert to fraction form
    36,558.47/50,450.70 = 20,643.95/x
  3. Step 3: Cross multiply
    36,558.47x = 50,450.70 × 20,643.95
  4. Step 4: Simplify right side
    36,558.47x = 1,041,501,476.01
  5. Step 5: Solve for x
    x = 1,041,501,476.01/36,558.47
  6. Step 6: Final answer
    x = 28,488.65

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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.