Home / 30,429.19-45,645.41-9,654.31

Finding the Fourth Proportional to 30,429.19, 45,645.41 and 9,654.31

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Solution

The fourth proportional to 30,429.19, 45,645.41 and 9,654.31 is: 14,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429.19 : 45,645.41 = 9,654.31 : x
  2. Step 2: Convert to fraction form
    30,429.19/45,645.41 = 9,654.31/x
  3. Step 3: Cross multiply
    30,429.19x = 45,645.41 × 9,654.31
  4. Step 4: Simplify right side
    30,429.19x = 440,674,938.22
  5. Step 5: Solve for x
    x = 440,674,938.22/30,429.19
  6. Step 6: Final answer
    x = 14,481.98

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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.