Home / 33,320.02-45,983.64-19,172.56

Finding the Fourth Proportional to 33,320.02, 45,983.64 and 19,172.56

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Solution

The fourth proportional to 33,320.02, 45,983.64 and 19,172.56 is: 26,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.02 : 45,983.64 = 19,172.56 : x
  2. Step 2: Convert to fraction form
    33,320.02/45,983.64 = 19,172.56/x
  3. Step 3: Cross multiply
    33,320.02x = 45,983.64 × 19,172.56
  4. Step 4: Simplify right side
    33,320.02x = 881,624,096.92
  5. Step 5: Solve for x
    x = 881,624,096.92/33,320.02
  6. Step 6: Final answer
    x = 26,459.29

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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.