Home / 37,630.22-51,931.32-21,714.62

Finding the Fourth Proportional to 37,630.22, 51,931.32 and 21,714.62

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Solution

The fourth proportional to 37,630.22, 51,931.32 and 21,714.62 is: 29,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.22 : 51,931.32 = 21,714.62 : x
  2. Step 2: Convert to fraction form
    37,630.22/51,931.32 = 21,714.62/x
  3. Step 3: Cross multiply
    37,630.22x = 51,931.32 × 21,714.62
  4. Step 4: Simplify right side
    37,630.22x = 1,127,668,879.90
  5. Step 5: Solve for x
    x = 1,127,668,879.90/37,630.22
  6. Step 6: Final answer
    x = 29,967.11

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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.