Home / 30,535.45-45,809.72-9,475.04

Finding the Fourth Proportional to 30,535.45, 45,809.72 and 9,475.04

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Solution

The fourth proportional to 30,535.45, 45,809.72 and 9,475.04 is: 14,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,535.45 : 45,809.72 = 9,475.04 : x
  2. Step 2: Convert to fraction form
    30,535.45/45,809.72 = 9,475.04/x
  3. Step 3: Cross multiply
    30,535.45x = 45,809.72 × 9,475.04
  4. Step 4: Simplify right side
    30,535.45x = 434,048,929.39
  5. Step 5: Solve for x
    x = 434,048,929.39/30,535.45
  6. Step 6: Final answer
    x = 14,214.59

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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.