Home / 35,582.09-49,103.01-20,477.68

Finding the Fourth Proportional to 35,582.09, 49,103.01 and 20,477.68

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Solution

The fourth proportional to 35,582.09, 49,103.01 and 20,477.68 is: 28,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,582.09 : 49,103.01 = 20,477.68 : x
  2. Step 2: Convert to fraction form
    35,582.09/49,103.01 = 20,477.68/x
  3. Step 3: Cross multiply
    35,582.09x = 49,103.01 × 20,477.68
  4. Step 4: Simplify right side
    35,582.09x = 1,005,515,603.06
  5. Step 5: Solve for x
    x = 1,005,515,603.06/35,582.09
  6. Step 6: Final answer
    x = 28,259.04

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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.