Home / 37,680.16-51,995.36-20,684.34

Finding the Fourth Proportional to 37,680.16, 51,995.36 and 20,684.34

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Solution

The fourth proportional to 37,680.16, 51,995.36 and 20,684.34 is: 28,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,680.16 : 51,995.36 = 20,684.34 : x
  2. Step 2: Convert to fraction form
    37,680.16/51,995.36 = 20,684.34/x
  3. Step 3: Cross multiply
    37,680.16x = 51,995.36 × 20,684.34
  4. Step 4: Simplify right side
    37,680.16x = 1,075,489,601.24
  5. Step 5: Solve for x
    x = 1,075,489,601.24/37,680.16
  6. Step 6: Final answer
    x = 28,542.60

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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.