Home / 30,646.08-45,983.16-18,190.80

Finding the Fourth Proportional to 30,646.08, 45,983.16 and 18,190.80

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Solution

The fourth proportional to 30,646.08, 45,983.16 and 18,190.80 is: 27,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646.08 : 45,983.16 = 18,190.80 : x
  2. Step 2: Convert to fraction form
    30,646.08/45,983.16 = 18,190.80/x
  3. Step 3: Cross multiply
    30,646.08x = 45,983.16 × 18,190.80
  4. Step 4: Simplify right side
    30,646.08x = 836,470,466.93
  5. Step 5: Solve for x
    x = 836,470,466.93/30,646.08
  6. Step 6: Final answer
    x = 27,294.53

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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.