Home / 33,123.48-45,709.02-18,977.64

Finding the Fourth Proportional to 33,123.48, 45,709.02 and 18,977.64

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Solution

The fourth proportional to 33,123.48, 45,709.02 and 18,977.64 is: 26,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.48 : 45,709.02 = 18,977.64 : x
  2. Step 2: Convert to fraction form
    33,123.48/45,709.02 = 18,977.64/x
  3. Step 3: Cross multiply
    33,123.48x = 45,709.02 × 18,977.64
  4. Step 4: Simplify right side
    33,123.48x = 867,449,326.31
  5. Step 5: Solve for x
    x = 867,449,326.31/33,123.48
  6. Step 6: Final answer
    x = 26,188.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.