Home / 35,632.90-49,172.70-19,718.02

Finding the Fourth Proportional to 35,632.90, 49,172.70 and 19,718.02

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Solution

The fourth proportional to 35,632.90, 49,172.70 and 19,718.02 is: 27,210.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,632.90 : 49,172.70 = 19,718.02 : x
  2. Step 2: Convert to fraction form
    35,632.90/49,172.70 = 19,718.02/x
  3. Step 3: Cross multiply
    35,632.90x = 49,172.70 × 19,718.02
  4. Step 4: Simplify right side
    35,632.90x = 969,588,282.05
  5. Step 5: Solve for x
    x = 969,588,282.05/35,632.90
  6. Step 6: Final answer
    x = 27,210.48

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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.