Home / 35,665.45-49,218.24-20,558.01

Finding the Fourth Proportional to 35,665.45, 49,218.24 and 20,558.01

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Solution

The fourth proportional to 35,665.45, 49,218.24 and 20,558.01 is: 28,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,665.45 : 49,218.24 = 20,558.01 : x
  2. Step 2: Convert to fraction form
    35,665.45/49,218.24 = 20,558.01/x
  3. Step 3: Cross multiply
    35,665.45x = 49,218.24 × 20,558.01
  4. Step 4: Simplify right side
    35,665.45x = 1,011,828,721.22
  5. Step 5: Solve for x
    x = 1,011,828,721.22/35,665.45
  6. Step 6: Final answer
    x = 28,370.00

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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.