Home / 57,504.78-79,357.23-31,666.23

Finding the Fourth Proportional to 57,504.78, 79,357.23 and 31,666.23

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Solution

The fourth proportional to 57,504.78, 79,357.23 and 31,666.23 is: 43,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,504.78 : 79,357.23 = 31,666.23 : x
  2. Step 2: Convert to fraction form
    57,504.78/79,357.23 = 31,666.23/x
  3. Step 3: Cross multiply
    57,504.78x = 79,357.23 × 31,666.23
  4. Step 4: Simplify right side
    57,504.78x = 2,512,944,297.34
  5. Step 5: Solve for x
    x = 2,512,944,297.34/57,504.78
  6. Step 6: Final answer
    x = 43,699.75

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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.