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Finding the Fourth Proportional to 30,495.44, 45,747.57 and 9,437.24

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Solution

The fourth proportional to 30,495.44, 45,747.57 and 9,437.24 is: 14,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495.44 : 45,747.57 = 9,437.24 : x
  2. Step 2: Convert to fraction form
    30,495.44/45,747.57 = 9,437.24/x
  3. Step 3: Cross multiply
    30,495.44x = 45,747.57 × 9,437.24
  4. Step 4: Simplify right side
    30,495.44x = 431,730,797.51
  5. Step 5: Solve for x
    x = 431,730,797.51/30,495.44
  6. Step 6: Final answer
    x = 14,157.22

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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.