Home / 33,320.04-45,981.70-19,172.60

Finding the Fourth Proportional to 33,320.04, 45,981.70 and 19,172.60

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Solution

The fourth proportional to 33,320.04, 45,981.70 and 19,172.60 is: 26,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.04 : 45,981.70 = 19,172.60 : x
  2. Step 2: Convert to fraction form
    33,320.04/45,981.70 = 19,172.60/x
  3. Step 3: Cross multiply
    33,320.04x = 45,981.70 × 19,172.60
  4. Step 4: Simplify right side
    33,320.04x = 881,588,741.42
  5. Step 5: Solve for x
    x = 881,588,741.42/33,320.04
  6. Step 6: Final answer
    x = 26,458.21

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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.