Home / 30,329.61-45,498.66-10,603.68

Finding the Fourth Proportional to 30,329.61, 45,498.66 and 10,603.68

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Solution

The fourth proportional to 30,329.61, 45,498.66 and 10,603.68 is: 15,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.61 : 45,498.66 = 10,603.68 : x
  2. Step 2: Convert to fraction form
    30,329.61/45,498.66 = 10,603.68/x
  3. Step 3: Cross multiply
    30,329.61x = 45,498.66 × 10,603.68
  4. Step 4: Simplify right side
    30,329.61x = 482,453,231.07
  5. Step 5: Solve for x
    x = 482,453,231.07/30,329.61
  6. Step 6: Final answer
    x = 15,907.00

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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.