Home / 30,053.90-45,083.86-10,329.86

Finding the Fourth Proportional to 30,053.90, 45,083.86 and 10,329.86

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Solution

The fourth proportional to 30,053.90, 45,083.86 and 10,329.86 is: 15,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,053.90 : 45,083.86 = 10,329.86 : x
  2. Step 2: Convert to fraction form
    30,053.90/45,083.86 = 10,329.86/x
  3. Step 3: Cross multiply
    30,053.90x = 45,083.86 × 10,329.86
  4. Step 4: Simplify right side
    30,053.90x = 465,710,048.94
  5. Step 5: Solve for x
    x = 465,710,048.94/30,053.90
  6. Step 6: Final answer
    x = 15,495.83

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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.