Home / 30,717.87-46,017.72-18,836.97

Finding the Fourth Proportional to 30,717.87, 46,017.72 and 18,836.97

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Solution

The fourth proportional to 30,717.87, 46,017.72 and 18,836.97 is: 28,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,717.87 : 46,017.72 = 18,836.97 : x
  2. Step 2: Convert to fraction form
    30,717.87/46,017.72 = 18,836.97/x
  3. Step 3: Cross multiply
    30,717.87x = 46,017.72 × 18,836.97
  4. Step 4: Simplify right side
    30,717.87x = 866,834,411.11
  5. Step 5: Solve for x
    x = 866,834,411.11/30,717.87
  6. Step 6: Final answer
    x = 28,219.22

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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.