Home / 30,243.56-45,366.35-10,522.28

Finding the Fourth Proportional to 30,243.56, 45,366.35 and 10,522.28

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Solution

The fourth proportional to 30,243.56, 45,366.35 and 10,522.28 is: 15,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.56 : 45,366.35 = 10,522.28 : x
  2. Step 2: Convert to fraction form
    30,243.56/45,366.35 = 10,522.28/x
  3. Step 3: Cross multiply
    30,243.56x = 45,366.35 × 10,522.28
  4. Step 4: Simplify right side
    30,243.56x = 477,357,157.83
  5. Step 5: Solve for x
    x = 477,357,157.83/30,243.56
  6. Step 6: Final answer
    x = 15,783.76

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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.