Home / 48,028.32-72,011.68-19,967.84

Finding the Fourth Proportional to 48,028.32, 72,011.68 and 19,967.84

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Solution

The fourth proportional to 48,028.32, 72,011.68 and 19,967.84 is: 29,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,028.32 : 72,011.68 = 19,967.84 : x
  2. Step 2: Convert to fraction form
    48,028.32/72,011.68 = 19,967.84/x
  3. Step 3: Cross multiply
    48,028.32x = 72,011.68 × 19,967.84
  4. Step 4: Simplify right side
    48,028.32x = 1,437,917,704.37
  5. Step 5: Solve for x
    x = 1,437,917,704.37/48,028.32
  6. Step 6: Final answer
    x = 29,938.95

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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.