Home / 57,756.22-86,633.82-18,312.32

Finding the Fourth Proportional to 57,756.22, 86,633.82 and 18,312.32

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Solution

The fourth proportional to 57,756.22, 86,633.82 and 18,312.32 is: 27,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,756.22 : 86,633.82 = 18,312.32 : x
  2. Step 2: Convert to fraction form
    57,756.22/86,633.82 = 18,312.32/x
  3. Step 3: Cross multiply
    57,756.22x = 86,633.82 × 18,312.32
  4. Step 4: Simplify right side
    57,756.22x = 1,586,466,234.66
  5. Step 5: Solve for x
    x = 1,586,466,234.66/57,756.22
  6. Step 6: Final answer
    x = 27,468.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.