Home / 43,501.72-65,262.30-13,921.33

Finding the Fourth Proportional to 43,501.72, 65,262.30 and 13,921.33

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Solution

The fourth proportional to 43,501.72, 65,262.30 and 13,921.33 is: 20,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,501.72 : 65,262.30 = 13,921.33 : x
  2. Step 2: Convert to fraction form
    43,501.72/65,262.30 = 13,921.33/x
  3. Step 3: Cross multiply
    43,501.72x = 65,262.30 × 13,921.33
  4. Step 4: Simplify right side
    43,501.72x = 908,537,851.70
  5. Step 5: Solve for x
    x = 908,537,851.70/43,501.72
  6. Step 6: Final answer
    x = 20,885.10

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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.