Home / 43,564.50-65,347.56-12,400.56

Finding the Fourth Proportional to 43,564.50, 65,347.56 and 12,400.56

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Solution

The fourth proportional to 43,564.50, 65,347.56 and 12,400.56 is: 18,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,564.50 : 65,347.56 = 12,400.56 : x
  2. Step 2: Convert to fraction form
    43,564.50/65,347.56 = 12,400.56/x
  3. Step 3: Cross multiply
    43,564.50x = 65,347.56 × 12,400.56
  4. Step 4: Simplify right side
    43,564.50x = 810,346,338.63
  5. Step 5: Solve for x
    x = 810,346,338.63/43,564.50
  6. Step 6: Final answer
    x = 18,601.07

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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.