Home / 37,828.61-52,201.63-21,918.18

Finding the Fourth Proportional to 37,828.61, 52,201.63 and 21,918.18

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Solution

The fourth proportional to 37,828.61, 52,201.63 and 21,918.18 is: 30,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,828.61 : 52,201.63 = 21,918.18 : x
  2. Step 2: Convert to fraction form
    37,828.61/52,201.63 = 21,918.18/x
  3. Step 3: Cross multiply
    37,828.61x = 52,201.63 × 21,918.18
  4. Step 4: Simplify right side
    37,828.61x = 1,144,164,722.63
  5. Step 5: Solve for x
    x = 1,144,164,722.63/37,828.61
  6. Step 6: Final answer
    x = 30,246.02

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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.