Home / 35,834.90-53,689.87-21,765.20

Finding the Fourth Proportional to 35,834.90, 53,689.87 and 21,765.20

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Solution

The fourth proportional to 35,834.90, 53,689.87 and 21,765.20 is: 32,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,834.90 : 53,689.87 = 21,765.20 : x
  2. Step 2: Convert to fraction form
    35,834.90/53,689.87 = 21,765.20/x
  3. Step 3: Cross multiply
    35,834.90x = 53,689.87 × 21,765.20
  4. Step 4: Simplify right side
    35,834.90x = 1,168,570,758.52
  5. Step 5: Solve for x
    x = 1,168,570,758.52/35,834.90
  6. Step 6: Final answer
    x = 32,609.85

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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.