Home / 30,453.26-45,668.51-10,457.07

Finding the Fourth Proportional to 30,453.26, 45,668.51 and 10,457.07

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Solution

The fourth proportional to 30,453.26, 45,668.51 and 10,457.07 is: 15,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,453.26 : 45,668.51 = 10,457.07 : x
  2. Step 2: Convert to fraction form
    30,453.26/45,668.51 = 10,457.07/x
  3. Step 3: Cross multiply
    30,453.26x = 45,668.51 × 10,457.07
  4. Step 4: Simplify right side
    30,453.26x = 477,558,753.58
  5. Step 5: Solve for x
    x = 477,558,753.58/30,453.26
  6. Step 6: Final answer
    x = 15,681.70

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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.