Home / 35,735.76-49,317.72-19,820.88

Finding the Fourth Proportional to 35,735.76, 49,317.72 and 19,820.88

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Solution

The fourth proportional to 35,735.76, 49,317.72 and 19,820.88 is: 27,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,735.76 : 49,317.72 = 19,820.88 : x
  2. Step 2: Convert to fraction form
    35,735.76/49,317.72 = 19,820.88/x
  3. Step 3: Cross multiply
    35,735.76x = 49,317.72 × 19,820.88
  4. Step 4: Simplify right side
    35,735.76x = 977,520,609.99
  5. Step 5: Solve for x
    x = 977,520,609.99/35,735.76
  6. Step 6: Final answer
    x = 27,354.13

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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.