Home / 30,405.31-45,607.96-9,627.19

Finding the Fourth Proportional to 30,405.31, 45,607.96 and 9,627.19

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Solution

The fourth proportional to 30,405.31, 45,607.96 and 9,627.19 is: 14,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,405.31 : 45,607.96 = 9,627.19 : x
  2. Step 2: Convert to fraction form
    30,405.31/45,607.96 = 9,627.19/x
  3. Step 3: Cross multiply
    30,405.31x = 45,607.96 × 9,627.19
  4. Step 4: Simplify right side
    30,405.31x = 439,076,394.45
  5. Step 5: Solve for x
    x = 439,076,394.45/30,405.31
  6. Step 6: Final answer
    x = 14,440.78

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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.