Home / 37,918.36-52,328.46-21,151

Finding the Fourth Proportional to 37,918.36, 52,328.46 and 21,151

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Solution

The fourth proportional to 37,918.36, 52,328.46 and 21,151 is: 29,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,918.36 : 52,328.46 = 21,151 : x
  2. Step 2: Convert to fraction form
    37,918.36/52,328.46 = 21,151/x
  3. Step 3: Cross multiply
    37,918.36x = 52,328.46 × 21,151
  4. Step 4: Simplify right side
    37,918.36x = 1,106,799,257.46
  5. Step 5: Solve for x
    x = 1,106,799,257.46/37,918.36
  6. Step 6: Final answer
    x = 29,189.01

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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.