Home / 35,602.90-49,128.54-19,685.18

Finding the Fourth Proportional to 35,602.90, 49,128.54 and 19,685.18

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Solution

The fourth proportional to 35,602.90, 49,128.54 and 19,685.18 is: 27,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,602.90 : 49,128.54 = 19,685.18 : x
  2. Step 2: Convert to fraction form
    35,602.90/49,128.54 = 19,685.18/x
  3. Step 3: Cross multiply
    35,602.90x = 49,128.54 × 19,685.18
  4. Step 4: Simplify right side
    35,602.90x = 967,104,153.04
  5. Step 5: Solve for x
    x = 967,104,153.04/35,602.90
  6. Step 6: Final answer
    x = 27,163.63

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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.