Home / 35,602.38-49,130.31-19,686.30

Finding the Fourth Proportional to 35,602.38, 49,130.31 and 19,686.30

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Solution

The fourth proportional to 35,602.38, 49,130.31 and 19,686.30 is: 27,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,602.38 : 49,130.31 = 19,686.30 : x
  2. Step 2: Convert to fraction form
    35,602.38/49,130.31 = 19,686.30/x
  3. Step 3: Cross multiply
    35,602.38x = 49,130.31 × 19,686.30
  4. Step 4: Simplify right side
    35,602.38x = 967,194,021.75
  5. Step 5: Solve for x
    x = 967,194,021.75/35,602.38
  6. Step 6: Final answer
    x = 27,166.56

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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.