Home / 37,020-51,087.60-20,253.36

Finding the Fourth Proportional to 37,020, 51,087.60 and 20,253.36

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Solution

The fourth proportional to 37,020, 51,087.60 and 20,253.36 is: 27,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,020 : 51,087.60 = 20,253.36 : x
  2. Step 2: Convert to fraction form
    37,020/51,087.60 = 20,253.36/x
  3. Step 3: Cross multiply
    37,020x = 51,087.60 × 20,253.36
  4. Step 4: Simplify right side
    37,020x = 1,034,695,554.34
  5. Step 5: Solve for x
    x = 1,034,695,554.34/37,020
  6. Step 6: Final answer
    x = 27,949.64

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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.