Home / 30,431.37-45,647.06-14,835.63

Finding the Fourth Proportional to 30,431.37, 45,647.06 and 14,835.63

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Solution

The fourth proportional to 30,431.37, 45,647.06 and 14,835.63 is: 22,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431.37 : 45,647.06 = 14,835.63 : x
  2. Step 2: Convert to fraction form
    30,431.37/45,647.06 = 14,835.63/x
  3. Step 3: Cross multiply
    30,431.37x = 45,647.06 × 14,835.63
  4. Step 4: Simplify right side
    30,431.37x = 677,202,892.75
  5. Step 5: Solve for x
    x = 677,202,892.75/30,431.37
  6. Step 6: Final answer
    x = 22,253.45

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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.