Home / 36,042.34-54,070.78-12,670.60

Finding the Fourth Proportional to 36,042.34, 54,070.78 and 12,670.60

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Solution

The fourth proportional to 36,042.34, 54,070.78 and 12,670.60 is: 19,008.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,042.34 : 54,070.78 = 12,670.60 : x
  2. Step 2: Convert to fraction form
    36,042.34/54,070.78 = 12,670.60/x
  3. Step 3: Cross multiply
    36,042.34x = 54,070.78 × 12,670.60
  4. Step 4: Simplify right side
    36,042.34x = 685,109,225.07
  5. Step 5: Solve for x
    x = 685,109,225.07/36,042.34
  6. Step 6: Final answer
    x = 19,008.46

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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.