Home / 47,712.76-65,905.58-36,313

Finding the Fourth Proportional to 47,712.76, 65,905.58 and 36,313

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Solution

The fourth proportional to 47,712.76, 65,905.58 and 36,313 is: 50,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.76 : 65,905.58 = 36,313 : x
  2. Step 2: Convert to fraction form
    47,712.76/65,905.58 = 36,313/x
  3. Step 3: Cross multiply
    47,712.76x = 65,905.58 × 36,313
  4. Step 4: Simplify right side
    47,712.76x = 2,393,229,326.54
  5. Step 5: Solve for x
    x = 2,393,229,326.54/47,712.76
  6. Step 6: Final answer
    x = 50,159.10

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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.