Home / 53,341.48-73,613.35-30,680.44

Finding the Fourth Proportional to 53,341.48, 73,613.35 and 30,680.44

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Solution

The fourth proportional to 53,341.48, 73,613.35 and 30,680.44 is: 42,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,341.48 : 73,613.35 = 30,680.44 : x
  2. Step 2: Convert to fraction form
    53,341.48/73,613.35 = 30,680.44/x
  3. Step 3: Cross multiply
    53,341.48x = 73,613.35 × 30,680.44
  4. Step 4: Simplify right side
    53,341.48x = 2,258,489,707.14
  5. Step 5: Solve for x
    x = 2,258,489,707.14/53,341.48
  6. Step 6: Final answer
    x = 42,340.22

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.