Home / 45,618.48-68,434.25-14,031.18

Finding the Fourth Proportional to 45,618.48, 68,434.25 and 14,031.18

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Solution

The fourth proportional to 45,618.48, 68,434.25 and 14,031.18 is: 21,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,618.48 : 68,434.25 = 14,031.18 : x
  2. Step 2: Convert to fraction form
    45,618.48/68,434.25 = 14,031.18/x
  3. Step 3: Cross multiply
    45,618.48x = 68,434.25 × 14,031.18
  4. Step 4: Simplify right side
    45,618.48x = 960,213,209.76
  5. Step 5: Solve for x
    x = 960,213,209.76/45,618.48
  6. Step 6: Final answer
    x = 21,048.78

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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.