Home / 35,871.36-49,501.80-19,955.76

Finding the Fourth Proportional to 35,871.36, 49,501.80 and 19,955.76

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Solution

The fourth proportional to 35,871.36, 49,501.80 and 19,955.76 is: 27,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,871.36 : 49,501.80 = 19,955.76 : x
  2. Step 2: Convert to fraction form
    35,871.36/49,501.80 = 19,955.76/x
  3. Step 3: Cross multiply
    35,871.36x = 49,501.80 × 19,955.76
  4. Step 4: Simplify right side
    35,871.36x = 987,846,040.37
  5. Step 5: Solve for x
    x = 987,846,040.37/35,871.36
  6. Step 6: Final answer
    x = 27,538.57

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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.