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Finding the Fourth Proportional to 57,648.86, 79,575.27 and 33,783.26

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Solution

The fourth proportional to 57,648.86, 79,575.27 and 33,783.26 is: 46,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,648.86 : 79,575.27 = 33,783.26 : x
  2. Step 2: Convert to fraction form
    57,648.86/79,575.27 = 33,783.26/x
  3. Step 3: Cross multiply
    57,648.86x = 79,575.27 × 33,783.26
  4. Step 4: Simplify right side
    57,648.86x = 2,688,312,035.98
  5. Step 5: Solve for x
    x = 2,688,312,035.98/57,648.86
  6. Step 6: Final answer
    x = 46,632.53

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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.