Home / 30,597.12-45,887.31-8,405.22

Finding the Fourth Proportional to 30,597.12, 45,887.31 and 8,405.22

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Solution

The fourth proportional to 30,597.12, 45,887.31 and 8,405.22 is: 12,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597.12 : 45,887.31 = 8,405.22 : x
  2. Step 2: Convert to fraction form
    30,597.12/45,887.31 = 8,405.22/x
  3. Step 3: Cross multiply
    30,597.12x = 45,887.31 × 8,405.22
  4. Step 4: Simplify right side
    30,597.12x = 385,692,935.76
  5. Step 5: Solve for x
    x = 385,692,935.76/30,597.12
  6. Step 6: Final answer
    x = 12,605.53

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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.