Home / 57,663.36-79,557.12-33,782.40

Finding the Fourth Proportional to 57,663.36, 79,557.12 and 33,782.40

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Solution

The fourth proportional to 57,663.36, 79,557.12 and 33,782.40 is: 46,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,663.36 : 79,557.12 = 33,782.40 : x
  2. Step 2: Convert to fraction form
    57,663.36/79,557.12 = 33,782.40/x
  3. Step 3: Cross multiply
    57,663.36x = 79,557.12 × 33,782.40
  4. Step 4: Simplify right side
    57,663.36x = 2,687,630,450.69
  5. Step 5: Solve for x
    x = 2,687,630,450.69/57,663.36
  6. Step 6: Final answer
    x = 46,608.98

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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.