Home / 56,385.26-77,811.64-30,893.25

Finding the Fourth Proportional to 56,385.26, 77,811.64 and 30,893.25

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Solution

The fourth proportional to 56,385.26, 77,811.64 and 30,893.25 is: 42,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,385.26 : 77,811.64 = 30,893.25 : x
  2. Step 2: Convert to fraction form
    56,385.26/77,811.64 = 30,893.25/x
  3. Step 3: Cross multiply
    56,385.26x = 77,811.64 × 30,893.25
  4. Step 4: Simplify right side
    56,385.26x = 2,403,854,224.30
  5. Step 5: Solve for x
    x = 2,403,854,224.30/56,385.26
  6. Step 6: Final answer
    x = 42,632.67

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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.