Home / 35,044.09-48,353.63-20,137.21

Finding the Fourth Proportional to 35,044.09, 48,353.63 and 20,137.21

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Solution

The fourth proportional to 35,044.09, 48,353.63 and 20,137.21 is: 27,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,044.09 : 48,353.63 = 20,137.21 : x
  2. Step 2: Convert to fraction form
    35,044.09/48,353.63 = 20,137.21/x
  3. Step 3: Cross multiply
    35,044.09x = 48,353.63 × 20,137.21
  4. Step 4: Simplify right side
    35,044.09x = 973,707,100.89
  5. Step 5: Solve for x
    x = 973,707,100.89/35,044.09
  6. Step 6: Final answer
    x = 27,785.20

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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.