Home / 20,031.56-30,054.28-7,555.16

Finding the Fourth Proportional to 20,031.56, 30,054.28 and 7,555.16

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Solution

The fourth proportional to 20,031.56, 30,054.28 and 7,555.16 is: 11,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.56 : 30,054.28 = 7,555.16 : x
  2. Step 2: Convert to fraction form
    20,031.56/30,054.28 = 7,555.16/x
  3. Step 3: Cross multiply
    20,031.56x = 30,054.28 × 7,555.16
  4. Step 4: Simplify right side
    20,031.56x = 227,064,950.33
  5. Step 5: Solve for x
    x = 227,064,950.33/20,031.56
  6. Step 6: Final answer
    x = 11,335.36

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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.