Home / 37,695.21-52,015.53-21,784.78

Finding the Fourth Proportional to 37,695.21, 52,015.53 and 21,784.78

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Solution

The fourth proportional to 37,695.21, 52,015.53 and 21,784.78 is: 30,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,695.21 : 52,015.53 = 21,784.78 : x
  2. Step 2: Convert to fraction form
    37,695.21/52,015.53 = 21,784.78/x
  3. Step 3: Cross multiply
    37,695.21x = 52,015.53 × 21,784.78
  4. Step 4: Simplify right side
    37,695.21x = 1,133,146,877.63
  5. Step 5: Solve for x
    x = 1,133,146,877.63/37,695.21
  6. Step 6: Final answer
    x = 30,060.77

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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.