Home / 35,460.73-53,135.67-20,477.05

Finding the Fourth Proportional to 35,460.73, 53,135.67 and 20,477.05

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Solution

The fourth proportional to 35,460.73, 53,135.67 and 20,477.05 is: 30,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,460.73 : 53,135.67 = 20,477.05 : x
  2. Step 2: Convert to fraction form
    35,460.73/53,135.67 = 20,477.05/x
  3. Step 3: Cross multiply
    35,460.73x = 53,135.67 × 20,477.05
  4. Step 4: Simplify right side
    35,460.73x = 1,088,061,771.37
  5. Step 5: Solve for x
    x = 1,088,061,771.37/35,460.73
  6. Step 6: Final answer
    x = 30,683.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.