Home / 30,453.16-45,668.36-10,456.97

Finding the Fourth Proportional to 30,453.16, 45,668.36 and 10,456.97

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Solution

The fourth proportional to 30,453.16, 45,668.36 and 10,456.97 is: 15,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,453.16 : 45,668.36 = 10,456.97 : x
  2. Step 2: Convert to fraction form
    30,453.16/45,668.36 = 10,456.97/x
  3. Step 3: Cross multiply
    30,453.16x = 45,668.36 × 10,456.97
  4. Step 4: Simplify right side
    30,453.16x = 477,552,670.47
  5. Step 5: Solve for x
    x = 477,552,670.47/30,453.16
  6. Step 6: Final answer
    x = 15,681.55

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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.