Home / 45,558.64-68,363.48-19,283.05

Finding the Fourth Proportional to 45,558.64, 68,363.48 and 19,283.05

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Solution

The fourth proportional to 45,558.64, 68,363.48 and 19,283.05 is: 28,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,558.64 : 68,363.48 = 19,283.05 : x
  2. Step 2: Convert to fraction form
    45,558.64/68,363.48 = 19,283.05/x
  3. Step 3: Cross multiply
    45,558.64x = 68,363.48 × 19,283.05
  4. Step 4: Simplify right side
    45,558.64x = 1,318,256,403.01
  5. Step 5: Solve for x
    x = 1,318,256,403.01/45,558.64
  6. Step 6: Final answer
    x = 28,935.38

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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.