Home / 43,501.78-65,252.67-20,125.18

Finding the Fourth Proportional to 43,501.78, 65,252.67 and 20,125.18

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Solution

The fourth proportional to 43,501.78, 65,252.67 and 20,125.18 is: 30,187.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,501.78 : 65,252.67 = 20,125.18 : x
  2. Step 2: Convert to fraction form
    43,501.78/65,252.67 = 20,125.18/x
  3. Step 3: Cross multiply
    43,501.78x = 65,252.67 × 20,125.18
  4. Step 4: Simplify right side
    43,501.78x = 1,313,221,729.23
  5. Step 5: Solve for x
    x = 1,313,221,729.23/43,501.78
  6. Step 6: Final answer
    x = 30,187.77

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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.