Home / 38,558.88-53,210.19-21,563.16

Finding the Fourth Proportional to 38,558.88, 53,210.19 and 21,563.16

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Solution

The fourth proportional to 38,558.88, 53,210.19 and 21,563.16 is: 29,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,558.88 : 53,210.19 = 21,563.16 : x
  2. Step 2: Convert to fraction form
    38,558.88/53,210.19 = 21,563.16/x
  3. Step 3: Cross multiply
    38,558.88x = 53,210.19 × 21,563.16
  4. Step 4: Simplify right side
    38,558.88x = 1,147,379,840.60
  5. Step 5: Solve for x
    x = 1,147,379,840.60/38,558.88
  6. Step 6: Final answer
    x = 29,756.57

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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.