Home / 37,031.40-55,522.44-20,399.28

Finding the Fourth Proportional to 37,031.40, 55,522.44 and 20,399.28

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Solution

The fourth proportional to 37,031.40, 55,522.44 and 20,399.28 is: 30,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,031.40 : 55,522.44 = 20,399.28 : x
  2. Step 2: Convert to fraction form
    37,031.40/55,522.44 = 20,399.28/x
  3. Step 3: Cross multiply
    37,031.40x = 55,522.44 × 20,399.28
  4. Step 4: Simplify right side
    37,031.40x = 1,132,617,799.84
  5. Step 5: Solve for x
    x = 1,132,617,799.84/37,031.40
  6. Step 6: Final answer
    x = 30,585.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.