Home / 33,317.04-45,975.96-19,897.20

Finding the Fourth Proportional to 33,317.04, 45,975.96 and 19,897.20

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Solution

The fourth proportional to 33,317.04, 45,975.96 and 19,897.20 is: 27,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,317.04 : 45,975.96 = 19,897.20 : x
  2. Step 2: Convert to fraction form
    33,317.04/45,975.96 = 19,897.20/x
  3. Step 3: Cross multiply
    33,317.04x = 45,975.96 × 19,897.20
  4. Step 4: Simplify right side
    33,317.04x = 914,792,871.31
  5. Step 5: Solve for x
    x = 914,792,871.31/33,317.04
  6. Step 6: Final answer
    x = 27,457.21

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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.