Home / 36,346.40-54,554.40-18,828.80

Finding the Fourth Proportional to 36,346.40, 54,554.40 and 18,828.80

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Solution

The fourth proportional to 36,346.40, 54,554.40 and 18,828.80 is: 28,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,346.40 : 54,554.40 = 18,828.80 : x
  2. Step 2: Convert to fraction form
    36,346.40/54,554.40 = 18,828.80/x
  3. Step 3: Cross multiply
    36,346.40x = 54,554.40 × 18,828.80
  4. Step 4: Simplify right side
    36,346.40x = 1,027,193,886.72
  5. Step 5: Solve for x
    x = 1,027,193,886.72/36,346.40
  6. Step 6: Final answer
    x = 28,261.23

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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.