Home / 30,619.42-45,930.80-9,562.35

Finding the Fourth Proportional to 30,619.42, 45,930.80 and 9,562.35

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Solution

The fourth proportional to 30,619.42, 45,930.80 and 9,562.35 is: 14,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.42 : 45,930.80 = 9,562.35 : x
  2. Step 2: Convert to fraction form
    30,619.42/45,930.80 = 9,562.35/x
  3. Step 3: Cross multiply
    30,619.42x = 45,930.80 × 9,562.35
  4. Step 4: Simplify right side
    30,619.42x = 439,206,385.38
  5. Step 5: Solve for x
    x = 439,206,385.38/30,619.42
  6. Step 6: Final answer
    x = 14,344.05

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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.