Home / 30,349.62-41,875.26-18,412.65

Finding the Fourth Proportional to 30,349.62, 41,875.26 and 18,412.65

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Solution

The fourth proportional to 30,349.62, 41,875.26 and 18,412.65 is: 25,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.62 : 41,875.26 = 18,412.65 : x
  2. Step 2: Convert to fraction form
    30,349.62/41,875.26 = 18,412.65/x
  3. Step 3: Cross multiply
    30,349.62x = 41,875.26 × 18,412.65
  4. Step 4: Simplify right side
    30,349.62x = 771,034,506.04
  5. Step 5: Solve for x
    x = 771,034,506.04/30,349.62
  6. Step 6: Final answer
    x = 25,405.08

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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.