Home / 37,810.36-52,170.78-21,040.12

Finding the Fourth Proportional to 37,810.36, 52,170.78 and 21,040.12

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Solution

The fourth proportional to 37,810.36, 52,170.78 and 21,040.12 is: 29,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,810.36 : 52,170.78 = 21,040.12 : x
  2. Step 2: Convert to fraction form
    37,810.36/52,170.78 = 21,040.12/x
  3. Step 3: Cross multiply
    37,810.36x = 52,170.78 × 21,040.12
  4. Step 4: Simplify right side
    37,810.36x = 1,097,679,471.69
  5. Step 5: Solve for x
    x = 1,097,679,471.69/37,810.36
  6. Step 6: Final answer
    x = 29,031.18

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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.