Home / 30,296.78-45,417.16-15,473.03

Finding the Fourth Proportional to 30,296.78, 45,417.16 and 15,473.03

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Solution

The fourth proportional to 30,296.78, 45,417.16 and 15,473.03 is: 23,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.78 : 45,417.16 = 15,473.03 : x
  2. Step 2: Convert to fraction form
    30,296.78/45,417.16 = 15,473.03/x
  3. Step 3: Cross multiply
    30,296.78x = 45,417.16 × 15,473.03
  4. Step 4: Simplify right side
    30,296.78x = 702,740,784.41
  5. Step 5: Solve for x
    x = 702,740,784.41/30,296.78
  6. Step 6: Final answer
    x = 23,195.23

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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.