Home / 43,101.09-64,651.65-13,521.51

Finding the Fourth Proportional to 43,101.09, 64,651.65 and 13,521.51

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Solution

The fourth proportional to 43,101.09, 64,651.65 and 13,521.51 is: 20,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,101.09 : 64,651.65 = 13,521.51 : x
  2. Step 2: Convert to fraction form
    43,101.09/64,651.65 = 13,521.51/x
  3. Step 3: Cross multiply
    43,101.09x = 64,651.65 × 13,521.51
  4. Step 4: Simplify right side
    43,101.09x = 874,187,931.99
  5. Step 5: Solve for x
    x = 874,187,931.99/43,101.09
  6. Step 6: Final answer
    x = 20,282.27

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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.