Home / 30,277.35-45,401.45-10,555.47

Finding the Fourth Proportional to 30,277.35, 45,401.45 and 10,555.47

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Solution

The fourth proportional to 30,277.35, 45,401.45 and 10,555.47 is: 15,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.35 : 45,401.45 = 10,555.47 : x
  2. Step 2: Convert to fraction form
    30,277.35/45,401.45 = 10,555.47/x
  3. Step 3: Cross multiply
    30,277.35x = 45,401.45 × 10,555.47
  4. Step 4: Simplify right side
    30,277.35x = 479,233,590.65
  5. Step 5: Solve for x
    x = 479,233,590.65/30,277.35
  6. Step 6: Final answer
    x = 15,828.12

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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.