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Finding the Fourth Proportional to 35,602.56, 53,374.56 and 20,774.88

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Solution

The fourth proportional to 35,602.56, 53,374.56 and 20,774.88 is: 31,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,602.56 : 53,374.56 = 20,774.88 : x
  2. Step 2: Convert to fraction form
    35,602.56/53,374.56 = 20,774.88/x
  3. Step 3: Cross multiply
    35,602.56x = 53,374.56 × 20,774.88
  4. Step 4: Simplify right side
    35,602.56x = 1,108,850,079.05
  5. Step 5: Solve for x
    x = 1,108,850,079.05/35,602.56
  6. Step 6: Final answer
    x = 31,145.23

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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.