Home / 54,303.63-81,468.20-16,861.77

Finding the Fourth Proportional to 54,303.63, 81,468.20 and 16,861.77

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Solution

The fourth proportional to 54,303.63, 81,468.20 and 16,861.77 is: 25,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303.63 : 81,468.20 = 16,861.77 : x
  2. Step 2: Convert to fraction form
    54,303.63/81,468.20 = 16,861.77/x
  3. Step 3: Cross multiply
    54,303.63x = 81,468.20 × 16,861.77
  4. Step 4: Simplify right side
    54,303.63x = 1,373,697,966.41
  5. Step 5: Solve for x
    x = 1,373,697,966.41/54,303.63
  6. Step 6: Final answer
    x = 25,296.61

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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.