Home / 45,208.62-62,404.05-30,858.18

Finding the Fourth Proportional to 45,208.62, 62,404.05 and 30,858.18

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Solution

The fourth proportional to 45,208.62, 62,404.05 and 30,858.18 is: 42,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,208.62 : 62,404.05 = 30,858.18 : x
  2. Step 2: Convert to fraction form
    45,208.62/62,404.05 = 30,858.18/x
  3. Step 3: Cross multiply
    45,208.62x = 62,404.05 × 30,858.18
  4. Step 4: Simplify right side
    45,208.62x = 1,925,675,379.99
  5. Step 5: Solve for x
    x = 1,925,675,379.99/45,208.62
  6. Step 6: Final answer
    x = 42,595.31

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Double scale
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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.