Home / 35,728.16-49,299.57-19,812.74

Finding the Fourth Proportional to 35,728.16, 49,299.57 and 19,812.74

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Solution

The fourth proportional to 35,728.16, 49,299.57 and 19,812.74 is: 27,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,728.16 : 49,299.57 = 19,812.74 : x
  2. Step 2: Convert to fraction form
    35,728.16/49,299.57 = 19,812.74/x
  3. Step 3: Cross multiply
    35,728.16x = 49,299.57 × 19,812.74
  4. Step 4: Simplify right side
    35,728.16x = 976,759,316.02
  5. Step 5: Solve for x
    x = 976,759,316.02/35,728.16
  6. Step 6: Final answer
    x = 27,338.64

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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.