Home / 37,218.81-51,362.17-20,223.19

Finding the Fourth Proportional to 37,218.81, 51,362.17 and 20,223.19

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Solution

The fourth proportional to 37,218.81, 51,362.17 and 20,223.19 is: 27,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.81 : 51,362.17 = 20,223.19 : x
  2. Step 2: Convert to fraction form
    37,218.81/51,362.17 = 20,223.19/x
  3. Step 3: Cross multiply
    37,218.81x = 51,362.17 × 20,223.19
  4. Step 4: Simplify right side
    37,218.81x = 1,038,706,936.37
  5. Step 5: Solve for x
    x = 1,038,706,936.37/37,218.81
  6. Step 6: Final answer
    x = 27,908.12

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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.