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Finding the Fourth Proportional to 35,642.54, 53,475.88 and 13,462.32

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Solution

The fourth proportional to 35,642.54, 53,475.88 and 13,462.32 is: 20,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,642.54 : 53,475.88 = 13,462.32 : x
  2. Step 2: Convert to fraction form
    35,642.54/53,475.88 = 13,462.32/x
  3. Step 3: Cross multiply
    35,642.54x = 53,475.88 × 13,462.32
  4. Step 4: Simplify right side
    35,642.54x = 719,909,408.84
  5. Step 5: Solve for x
    x = 719,909,408.84/35,642.54
  6. Step 6: Final answer
    x = 20,198.04

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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.