Home / 45,688.56-68,540.04-14,530.80

Finding the Fourth Proportional to 45,688.56, 68,540.04 and 14,530.80

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Solution

The fourth proportional to 45,688.56, 68,540.04 and 14,530.80 is: 21,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,688.56 : 68,540.04 = 14,530.80 : x
  2. Step 2: Convert to fraction form
    45,688.56/68,540.04 = 14,530.80/x
  3. Step 3: Cross multiply
    45,688.56x = 68,540.04 × 14,530.80
  4. Step 4: Simplify right side
    45,688.56x = 995,941,613.23
  5. Step 5: Solve for x
    x = 995,941,613.23/45,688.56
  6. Step 6: Final answer
    x = 21,798.49

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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.