Home / 30,533.04-45,738-15,289.65

Finding the Fourth Proportional to 30,533.04, 45,738 and 15,289.65

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Solution

The fourth proportional to 30,533.04, 45,738 and 15,289.65 is: 22,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,533.04 : 45,738 = 15,289.65 : x
  2. Step 2: Convert to fraction form
    30,533.04/45,738 = 15,289.65/x
  3. Step 3: Cross multiply
    30,533.04x = 45,738 × 15,289.65
  4. Step 4: Simplify right side
    30,533.04x = 699,318,011.70
  5. Step 5: Solve for x
    x = 699,318,011.70/30,533.04
  6. Step 6: Final answer
    x = 22,903.65

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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.