Home / 30,430.26-45,645.40-9,653.76

Finding the Fourth Proportional to 30,430.26, 45,645.40 and 9,653.76

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Solution

The fourth proportional to 30,430.26, 45,645.40 and 9,653.76 is: 14,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430.26 : 45,645.40 = 9,653.76 : x
  2. Step 2: Convert to fraction form
    30,430.26/45,645.40 = 9,653.76/x
  3. Step 3: Cross multiply
    30,430.26x = 45,645.40 × 9,653.76
  4. Step 4: Simplify right side
    30,430.26x = 440,649,736.70
  5. Step 5: Solve for x
    x = 440,649,736.70/30,430.26
  6. Step 6: Final answer
    x = 14,480.64

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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.