Home / 43,911.49-65,867.40-10,631.50

Finding the Fourth Proportional to 43,911.49, 65,867.40 and 10,631.50

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Solution

The fourth proportional to 43,911.49, 65,867.40 and 10,631.50 is: 15,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,911.49 : 65,867.40 = 10,631.50 : x
  2. Step 2: Convert to fraction form
    43,911.49/65,867.40 = 10,631.50/x
  3. Step 3: Cross multiply
    43,911.49x = 65,867.40 × 10,631.50
  4. Step 4: Simplify right side
    43,911.49x = 700,269,263.10
  5. Step 5: Solve for x
    x = 700,269,263.10/43,911.49
  6. Step 6: Final answer
    x = 15,947.29

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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.