Home / 43,007.35-64,511.03-13,427.72

Finding the Fourth Proportional to 43,007.35, 64,511.03 and 13,427.72

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Solution

The fourth proportional to 43,007.35, 64,511.03 and 13,427.72 is: 20,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,007.35 : 64,511.03 = 13,427.72 : x
  2. Step 2: Convert to fraction form
    43,007.35/64,511.03 = 13,427.72/x
  3. Step 3: Cross multiply
    43,007.35x = 64,511.03 × 13,427.72
  4. Step 4: Simplify right side
    43,007.35x = 866,235,870.35
  5. Step 5: Solve for x
    x = 866,235,870.35/43,007.35
  6. Step 6: Final answer
    x = 20,141.58

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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.