Home / 30,382.64-45,558.96-9,317.63

Finding the Fourth Proportional to 30,382.64, 45,558.96 and 9,317.63

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Solution

The fourth proportional to 30,382.64, 45,558.96 and 9,317.63 is: 13,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.64 : 45,558.96 = 9,317.63 : x
  2. Step 2: Convert to fraction form
    30,382.64/45,558.96 = 9,317.63/x
  3. Step 3: Cross multiply
    30,382.64x = 45,558.96 × 9,317.63
  4. Step 4: Simplify right side
    30,382.64x = 424,501,611.42
  5. Step 5: Solve for x
    x = 424,501,611.42/30,382.64
  6. Step 6: Final answer
    x = 13,971.85

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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.