Home / 56,137.22-84,219.29-18,697.61

Finding the Fourth Proportional to 56,137.22, 84,219.29 and 18,697.61

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Solution

The fourth proportional to 56,137.22, 84,219.29 and 18,697.61 is: 28,050.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,137.22 : 84,219.29 = 18,697.61 : x
  2. Step 2: Convert to fraction form
    56,137.22/84,219.29 = 18,697.61/x
  3. Step 3: Cross multiply
    56,137.22x = 84,219.29 × 18,697.61
  4. Step 4: Simplify right side
    56,137.22x = 1,574,699,438.90
  5. Step 5: Solve for x
    x = 1,574,699,438.90/56,137.22
  6. Step 6: Final answer
    x = 28,050.90

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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.