Home / 57,432.96-79,261.20-33,238.80

Finding the Fourth Proportional to 57,432.96, 79,261.20 and 33,238.80

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Solution

The fourth proportional to 57,432.96, 79,261.20 and 33,238.80 is: 45,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,432.96 : 79,261.20 = 33,238.80 : x
  2. Step 2: Convert to fraction form
    57,432.96/79,261.20 = 33,238.80/x
  3. Step 3: Cross multiply
    57,432.96x = 79,261.20 × 33,238.80
  4. Step 4: Simplify right side
    57,432.96x = 2,634,547,174.56
  5. Step 5: Solve for x
    x = 2,634,547,174.56/57,432.96
  6. Step 6: Final answer
    x = 45,871.69

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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.