Home / 30,056.28-41,479.24-17,311.40

Finding the Fourth Proportional to 30,056.28, 41,479.24 and 17,311.40

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Solution

The fourth proportional to 30,056.28, 41,479.24 and 17,311.40 is: 23,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.28 : 41,479.24 = 17,311.40 : x
  2. Step 2: Convert to fraction form
    30,056.28/41,479.24 = 17,311.40/x
  3. Step 3: Cross multiply
    30,056.28x = 41,479.24 × 17,311.40
  4. Step 4: Simplify right side
    30,056.28x = 718,063,715.34
  5. Step 5: Solve for x
    x = 718,063,715.34/30,056.28
  6. Step 6: Final answer
    x = 23,890.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.