Home / 30,717.88-46,017.72-18,836.98

Finding the Fourth Proportional to 30,717.88, 46,017.72 and 18,836.98

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Solution

The fourth proportional to 30,717.88, 46,017.72 and 18,836.98 is: 28,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,717.88 : 46,017.72 = 18,836.98 : x
  2. Step 2: Convert to fraction form
    30,717.88/46,017.72 = 18,836.98/x
  3. Step 3: Cross multiply
    30,717.88x = 46,017.72 × 18,836.98
  4. Step 4: Simplify right side
    30,717.88x = 866,834,871.29
  5. Step 5: Solve for x
    x = 866,834,871.29/30,717.88
  6. Step 6: Final answer
    x = 28,219.23

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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.