Home / 45,108.32-67,668.96-13,946.24

Finding the Fourth Proportional to 45,108.32, 67,668.96 and 13,946.24

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Solution

The fourth proportional to 45,108.32, 67,668.96 and 13,946.24 is: 20,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,108.32 : 67,668.96 = 13,946.24 : x
  2. Step 2: Convert to fraction form
    45,108.32/67,668.96 = 13,946.24/x
  3. Step 3: Cross multiply
    45,108.32x = 67,668.96 × 13,946.24
  4. Step 4: Simplify right side
    45,108.32x = 943,727,556.71
  5. Step 5: Solve for x
    x = 943,727,556.71/45,108.32
  6. Step 6: Final answer
    x = 20,921.36

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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.