Home / 45,621.95-68,451.89-18,973.77

Finding the Fourth Proportional to 45,621.95, 68,451.89 and 18,973.77

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Solution

The fourth proportional to 45,621.95, 68,451.89 and 18,973.77 is: 28,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,621.95 : 68,451.89 = 18,973.77 : x
  2. Step 2: Convert to fraction form
    45,621.95/68,451.89 = 18,973.77/x
  3. Step 3: Cross multiply
    45,621.95x = 68,451.89 × 18,973.77
  4. Step 4: Simplify right side
    45,621.95x = 1,298,790,322.06
  5. Step 5: Solve for x
    x = 1,298,790,322.06/45,621.95
  6. Step 6: Final answer
    x = 28,468.54

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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.