Home / 52,311.84-72,185.88-29,645.64

Finding the Fourth Proportional to 52,311.84, 72,185.88 and 29,645.64

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Solution

The fourth proportional to 52,311.84, 72,185.88 and 29,645.64 is: 40,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.84 : 72,185.88 = 29,645.64 : x
  2. Step 2: Convert to fraction form
    52,311.84/72,185.88 = 29,645.64/x
  3. Step 3: Cross multiply
    52,311.84x = 72,185.88 × 29,645.64
  4. Step 4: Simplify right side
    52,311.84x = 2,139,996,611.56
  5. Step 5: Solve for x
    x = 2,139,996,611.56/52,311.84
  6. Step 6: Final answer
    x = 40,908.46

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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.