Home / 35,323.54-48,724.89-20,973.64

Finding the Fourth Proportional to 35,323.54, 48,724.89 and 20,973.64

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Solution

The fourth proportional to 35,323.54, 48,724.89 and 20,973.64 is: 28,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,323.54 : 48,724.89 = 20,973.64 : x
  2. Step 2: Convert to fraction form
    35,323.54/48,724.89 = 20,973.64/x
  3. Step 3: Cross multiply
    35,323.54x = 48,724.89 × 20,973.64
  4. Step 4: Simplify right side
    35,323.54x = 1,021,938,301.90
  5. Step 5: Solve for x
    x = 1,021,938,301.90/35,323.54
  6. Step 6: Final answer
    x = 28,930.80

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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.