Home / 30,919.77-46,352.30-14,901.21

Finding the Fourth Proportional to 30,919.77, 46,352.30 and 14,901.21

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Solution

The fourth proportional to 30,919.77, 46,352.30 and 14,901.21 is: 22,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919.77 : 46,352.30 = 14,901.21 : x
  2. Step 2: Convert to fraction form
    30,919.77/46,352.30 = 14,901.21/x
  3. Step 3: Cross multiply
    30,919.77x = 46,352.30 × 14,901.21
  4. Step 4: Simplify right side
    30,919.77x = 690,705,281.78
  5. Step 5: Solve for x
    x = 690,705,281.78/30,919.77
  6. Step 6: Final answer
    x = 22,338.63

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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.