Home / 35,739.63-49,288.40-22,312.12

Finding the Fourth Proportional to 35,739.63, 49,288.40 and 22,312.12

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Solution

The fourth proportional to 35,739.63, 49,288.40 and 22,312.12 is: 30,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,739.63 : 49,288.40 = 22,312.12 : x
  2. Step 2: Convert to fraction form
    35,739.63/49,288.40 = 22,312.12/x
  3. Step 3: Cross multiply
    35,739.63x = 49,288.40 × 22,312.12
  4. Step 4: Simplify right side
    35,739.63x = 1,099,728,695.41
  5. Step 5: Solve for x
    x = 1,099,728,695.41/35,739.63
  6. Step 6: Final answer
    x = 30,770.57

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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.