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Finding the Fourth Proportional to 52,967.64, 79,484.28 and 30,791.46

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Solution

The fourth proportional to 52,967.64, 79,484.28 and 30,791.46 is: 46,206.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,967.64 : 79,484.28 = 30,791.46 : x
  2. Step 2: Convert to fraction form
    52,967.64/79,484.28 = 30,791.46/x
  3. Step 3: Cross multiply
    52,967.64x = 79,484.28 × 30,791.46
  4. Step 4: Simplify right side
    52,967.64x = 2,447,437,028.25
  5. Step 5: Solve for x
    x = 2,447,437,028.25/52,967.64
  6. Step 6: Final answer
    x = 46,206.27

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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.