Home / 30,059.55-41,482.94-18,123.65

Finding the Fourth Proportional to 30,059.55, 41,482.94 and 18,123.65

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Solution

The fourth proportional to 30,059.55, 41,482.94 and 18,123.65 is: 25,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,059.55 : 41,482.94 = 18,123.65 : x
  2. Step 2: Convert to fraction form
    30,059.55/41,482.94 = 18,123.65/x
  3. Step 3: Cross multiply
    30,059.55x = 41,482.94 × 18,123.65
  4. Step 4: Simplify right side
    30,059.55x = 751,822,285.53
  5. Step 5: Solve for x
    x = 751,822,285.53/30,059.55
  6. Step 6: Final answer
    x = 25,011.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.