Home / 35,712.21-49,283.30-20,608.01

Finding the Fourth Proportional to 35,712.21, 49,283.30 and 20,608.01

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Solution

The fourth proportional to 35,712.21, 49,283.30 and 20,608.01 is: 28,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712.21 : 49,283.30 = 20,608.01 : x
  2. Step 2: Convert to fraction form
    35,712.21/49,283.30 = 20,608.01/x
  3. Step 3: Cross multiply
    35,712.21x = 49,283.30 × 20,608.01
  4. Step 4: Simplify right side
    35,712.21x = 1,015,630,389.78
  5. Step 5: Solve for x
    x = 1,015,630,389.78/35,712.21
  6. Step 6: Final answer
    x = 28,439.30

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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.