Home / 30,299.89-45,452.93-11,595.65

Finding the Fourth Proportional to 30,299.89, 45,452.93 and 11,595.65

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Solution

The fourth proportional to 30,299.89, 45,452.93 and 11,595.65 is: 17,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.89 : 45,452.93 = 11,595.65 : x
  2. Step 2: Convert to fraction form
    30,299.89/45,452.93 = 11,595.65/x
  3. Step 3: Cross multiply
    30,299.89x = 45,452.93 × 11,595.65
  4. Step 4: Simplify right side
    30,299.89x = 527,056,267.75
  5. Step 5: Solve for x
    x = 527,056,267.75/30,299.89
  6. Step 6: Final answer
    x = 17,394.66

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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.