Home / 35,100.08-48,421.56-20,750.24

Finding the Fourth Proportional to 35,100.08, 48,421.56 and 20,750.24

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Solution

The fourth proportional to 35,100.08, 48,421.56 and 20,750.24 is: 28,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,100.08 : 48,421.56 = 20,750.24 : x
  2. Step 2: Convert to fraction form
    35,100.08/48,421.56 = 20,750.24/x
  3. Step 3: Cross multiply
    35,100.08x = 48,421.56 × 20,750.24
  4. Step 4: Simplify right side
    35,100.08x = 1,004,758,991.17
  5. Step 5: Solve for x
    x = 1,004,758,991.17/35,100.08
  6. Step 6: Final answer
    x = 28,625.55

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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.