Home / 38,559.63-53,211.99-21,563.90

Finding the Fourth Proportional to 38,559.63, 53,211.99 and 21,563.90

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Solution

The fourth proportional to 38,559.63, 53,211.99 and 21,563.90 is: 29,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.63 : 53,211.99 = 21,563.90 : x
  2. Step 2: Convert to fraction form
    38,559.63/53,211.99 = 21,563.90/x
  3. Step 3: Cross multiply
    38,559.63x = 53,211.99 × 21,563.90
  4. Step 4: Simplify right side
    38,559.63x = 1,147,458,031.16
  5. Step 5: Solve for x
    x = 1,147,458,031.16/38,559.63
  6. Step 6: Final answer
    x = 29,758.01

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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.