Home / 30,431.08-45,637.98-9,654.04

Finding the Fourth Proportional to 30,431.08, 45,637.98 and 9,654.04

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Solution

The fourth proportional to 30,431.08, 45,637.98 and 9,654.04 is: 14,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431.08 : 45,637.98 = 9,654.04 : x
  2. Step 2: Convert to fraction form
    30,431.08/45,637.98 = 9,654.04/x
  3. Step 3: Cross multiply
    30,431.08x = 45,637.98 × 9,654.04
  4. Step 4: Simplify right side
    30,431.08x = 440,590,884.44
  5. Step 5: Solve for x
    x = 440,590,884.44/30,431.08
  6. Step 6: Final answer
    x = 14,478.32

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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.