Home / 43,270.03-64,907.40-13,685.65

Finding the Fourth Proportional to 43,270.03, 64,907.40 and 13,685.65

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Solution

The fourth proportional to 43,270.03, 64,907.40 and 13,685.65 is: 20,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,270.03 : 64,907.40 = 13,685.65 : x
  2. Step 2: Convert to fraction form
    43,270.03/64,907.40 = 13,685.65/x
  3. Step 3: Cross multiply
    43,270.03x = 64,907.40 × 13,685.65
  4. Step 4: Simplify right side
    43,270.03x = 888,299,958.81
  5. Step 5: Solve for x
    x = 888,299,958.81/43,270.03
  6. Step 6: Final answer
    x = 20,529.22

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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.