Home / 56,586.54-78,091.47-32,720.70

Finding the Fourth Proportional to 56,586.54, 78,091.47 and 32,720.70

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Solution

The fourth proportional to 56,586.54, 78,091.47 and 32,720.70 is: 45,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,586.54 : 78,091.47 = 32,720.70 : x
  2. Step 2: Convert to fraction form
    56,586.54/78,091.47 = 32,720.70/x
  3. Step 3: Cross multiply
    56,586.54x = 78,091.47 × 32,720.70
  4. Step 4: Simplify right side
    56,586.54x = 2,555,207,562.43
  5. Step 5: Solve for x
    x = 2,555,207,562.43/56,586.54
  6. Step 6: Final answer
    x = 45,155.75

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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.