Home / 30,346.65-45,519.98-28,499.85

Finding the Fourth Proportional to 30,346.65, 45,519.98 and 28,499.85

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Solution

The fourth proportional to 30,346.65, 45,519.98 and 28,499.85 is: 42,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346.65 : 45,519.98 = 28,499.85 : x
  2. Step 2: Convert to fraction form
    30,346.65/45,519.98 = 28,499.85/x
  3. Step 3: Cross multiply
    30,346.65x = 45,519.98 × 28,499.85
  4. Step 4: Simplify right side
    30,346.65x = 1,297,312,459.50
  5. Step 5: Solve for x
    x = 1,297,312,459.50/30,346.65
  6. Step 6: Final answer
    x = 42,749.78

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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.