Home / 30,281.26-45,429.16-9,504.76

Finding the Fourth Proportional to 30,281.26, 45,429.16 and 9,504.76

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Solution

The fourth proportional to 30,281.26, 45,429.16 and 9,504.76 is: 14,259.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.26 : 45,429.16 = 9,504.76 : x
  2. Step 2: Convert to fraction form
    30,281.26/45,429.16 = 9,504.76/x
  3. Step 3: Cross multiply
    30,281.26x = 45,429.16 × 9,504.76
  4. Step 4: Simplify right side
    30,281.26x = 431,793,262.80
  5. Step 5: Solve for x
    x = 431,793,262.80/30,281.26
  6. Step 6: Final answer
    x = 14,259.42

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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.