Home / 43,021.44-64,520.40-13,038.96

Finding the Fourth Proportional to 43,021.44, 64,520.40 and 13,038.96

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Solution

The fourth proportional to 43,021.44, 64,520.40 and 13,038.96 is: 19,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,021.44 : 64,520.40 = 13,038.96 : x
  2. Step 2: Convert to fraction form
    43,021.44/64,520.40 = 13,038.96/x
  3. Step 3: Cross multiply
    43,021.44x = 64,520.40 × 13,038.96
  4. Step 4: Simplify right side
    43,021.44x = 841,278,914.78
  5. Step 5: Solve for x
    x = 841,278,914.78/43,021.44
  6. Step 6: Final answer
    x = 19,554.88

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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.