Home / 48,015.88-72,021.98-12,956.45

Finding the Fourth Proportional to 48,015.88, 72,021.98 and 12,956.45

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Solution

The fourth proportional to 48,015.88, 72,021.98 and 12,956.45 is: 19,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,015.88 : 72,021.98 = 12,956.45 : x
  2. Step 2: Convert to fraction form
    48,015.88/72,021.98 = 12,956.45/x
  3. Step 3: Cross multiply
    48,015.88x = 72,021.98 × 12,956.45
  4. Step 4: Simplify right side
    48,015.88x = 933,148,855.05
  5. Step 5: Solve for x
    x = 933,148,855.05/48,015.88
  6. Step 6: Final answer
    x = 19,434.17

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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.