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Finding the Fourth Proportional to 57,505.86, 79,353.81 and 32,350.50

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Solution

The fourth proportional to 57,505.86, 79,353.81 and 32,350.50 is: 44,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,505.86 : 79,353.81 = 32,350.50 : x
  2. Step 2: Convert to fraction form
    57,505.86/79,353.81 = 32,350.50/x
  3. Step 3: Cross multiply
    57,505.86x = 79,353.81 × 32,350.50
  4. Step 4: Simplify right side
    57,505.86x = 2,567,135,430.41
  5. Step 5: Solve for x
    x = 2,567,135,430.41/57,505.86
  6. Step 6: Final answer
    x = 44,641.28

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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.