Home / 30,357.47-45,559.60-19,824.64

Finding the Fourth Proportional to 30,357.47, 45,559.60 and 19,824.64

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Solution

The fourth proportional to 30,357.47, 45,559.60 and 19,824.64 is: 29,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357.47 : 45,559.60 = 19,824.64 : x
  2. Step 2: Convert to fraction form
    30,357.47/45,559.60 = 19,824.64/x
  3. Step 3: Cross multiply
    30,357.47x = 45,559.60 × 19,824.64
  4. Step 4: Simplify right side
    30,357.47x = 903,202,668.54
  5. Step 5: Solve for x
    x = 903,202,668.54/30,357.47
  6. Step 6: Final answer
    x = 29,752.24

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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.