Home / 33,317.71-45,973.99-21,397.19

Finding the Fourth Proportional to 33,317.71, 45,973.99 and 21,397.19

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Solution

The fourth proportional to 33,317.71, 45,973.99 and 21,397.19 is: 29,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,317.71 : 45,973.99 = 21,397.19 : x
  2. Step 2: Convert to fraction form
    33,317.71/45,973.99 = 21,397.19/x
  3. Step 3: Cross multiply
    33,317.71x = 45,973.99 × 21,397.19
  4. Step 4: Simplify right side
    33,317.71x = 983,714,199.09
  5. Step 5: Solve for x
    x = 983,714,199.09/33,317.71
  6. Step 6: Final answer
    x = 29,525.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.