Home / 35,899.22-53,830.74-20,911.16

Finding the Fourth Proportional to 35,899.22, 53,830.74 and 20,911.16

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Solution

The fourth proportional to 35,899.22, 53,830.74 and 20,911.16 is: 31,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,899.22 : 53,830.74 = 20,911.16 : x
  2. Step 2: Convert to fraction form
    35,899.22/53,830.74 = 20,911.16/x
  3. Step 3: Cross multiply
    35,899.22x = 53,830.74 × 20,911.16
  4. Step 4: Simplify right side
    35,899.22x = 1,125,663,217.06
  5. Step 5: Solve for x
    x = 1,125,663,217.06/35,899.22
  6. Step 6: Final answer
    x = 31,356.20

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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.