Home / 48,369.84-72,555.12-13,311.42

Finding the Fourth Proportional to 48,369.84, 72,555.12 and 13,311.42

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Solution

The fourth proportional to 48,369.84, 72,555.12 and 13,311.42 is: 19,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,369.84 : 72,555.12 = 13,311.42 : x
  2. Step 2: Convert to fraction form
    48,369.84/72,555.12 = 13,311.42/x
  3. Step 3: Cross multiply
    48,369.84x = 72,555.12 × 13,311.42
  4. Step 4: Simplify right side
    48,369.84x = 965,811,675.47
  5. Step 5: Solve for x
    x = 965,811,675.47/48,369.84
  6. Step 6: Final answer
    x = 19,967.23

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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.