Home / 30,311.79-45,474.99-9,535.29

Finding the Fourth Proportional to 30,311.79, 45,474.99 and 9,535.29

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Solution

The fourth proportional to 30,311.79, 45,474.99 and 9,535.29 is: 14,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.79 : 45,474.99 = 9,535.29 : x
  2. Step 2: Convert to fraction form
    30,311.79/45,474.99 = 9,535.29/x
  3. Step 3: Cross multiply
    30,311.79x = 45,474.99 × 9,535.29
  4. Step 4: Simplify right side
    30,311.79x = 433,617,217.40
  5. Step 5: Solve for x
    x = 433,617,217.40/30,311.79
  6. Step 6: Final answer
    x = 14,305.23

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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.