Home / 30,448.18-45,675.78-11,723.86

Finding the Fourth Proportional to 30,448.18, 45,675.78 and 11,723.86

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Solution

The fourth proportional to 30,448.18, 45,675.78 and 11,723.86 is: 17,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448.18 : 45,675.78 = 11,723.86 : x
  2. Step 2: Convert to fraction form
    30,448.18/45,675.78 = 11,723.86/x
  3. Step 3: Cross multiply
    30,448.18x = 45,675.78 × 11,723.86
  4. Step 4: Simplify right side
    30,448.18x = 535,496,450.11
  5. Step 5: Solve for x
    x = 535,496,450.11/30,448.18
  6. Step 6: Final answer
    x = 17,587.14

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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.