Home / 35,750.37-49,339.89-20,643.00

Finding the Fourth Proportional to 35,750.37, 49,339.89 and 20,643.00

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Solution

The fourth proportional to 35,750.37, 49,339.89 and 20,643.00 is: 28,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,750.37 : 49,339.89 = 20,643.00 : x
  2. Step 2: Convert to fraction form
    35,750.37/49,339.89 = 20,643.00/x
  3. Step 3: Cross multiply
    35,750.37x = 49,339.89 × 20,643.00
  4. Step 4: Simplify right side
    35,750.37x = 1,018,523,102.57
  5. Step 5: Solve for x
    x = 1,018,523,102.57/35,750.37
  6. Step 6: Final answer
    x = 28,489.86

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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.