Home / 35,242.08-48,632.49-21,102.72

Finding the Fourth Proportional to 35,242.08, 48,632.49 and 21,102.72

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Solution

The fourth proportional to 35,242.08, 48,632.49 and 21,102.72 is: 29,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,242.08 : 48,632.49 = 21,102.72 : x
  2. Step 2: Convert to fraction form
    35,242.08/48,632.49 = 21,102.72/x
  3. Step 3: Cross multiply
    35,242.08x = 48,632.49 × 21,102.72
  4. Step 4: Simplify right side
    35,242.08x = 1,026,277,819.37
  5. Step 5: Solve for x
    x = 1,026,277,819.37/35,242.08
  6. Step 6: Final answer
    x = 29,120.81

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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.