Home / 30,350.96-45,531.13-10,355.77

Finding the Fourth Proportional to 30,350.96, 45,531.13 and 10,355.77

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Solution

The fourth proportional to 30,350.96, 45,531.13 and 10,355.77 is: 15,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.96 : 45,531.13 = 10,355.77 : x
  2. Step 2: Convert to fraction form
    30,350.96/45,531.13 = 10,355.77/x
  3. Step 3: Cross multiply
    30,350.96x = 45,531.13 × 10,355.77
  4. Step 4: Simplify right side
    30,350.96x = 471,509,910.12
  5. Step 5: Solve for x
    x = 471,509,910.12/30,350.96
  6. Step 6: Final answer
    x = 15,535.26

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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.