Home / 43,036.20-64,561.58-13,448.21

Finding the Fourth Proportional to 43,036.20, 64,561.58 and 13,448.21

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Solution

The fourth proportional to 43,036.20, 64,561.58 and 13,448.21 is: 20,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,036.20 : 64,561.58 = 13,448.21 : x
  2. Step 2: Convert to fraction form
    43,036.20/64,561.58 = 13,448.21/x
  3. Step 3: Cross multiply
    43,036.20x = 64,561.58 × 13,448.21
  4. Step 4: Simplify right side
    43,036.20x = 868,237,685.77
  5. Step 5: Solve for x
    x = 868,237,685.77/43,036.20
  6. Step 6: Final answer
    x = 20,174.59

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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.