Home / 30,494.32-45,783.46-15,511.58

Finding the Fourth Proportional to 30,494.32, 45,783.46 and 15,511.58

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Solution

The fourth proportional to 30,494.32, 45,783.46 and 15,511.58 is: 23,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,494.32 : 45,783.46 = 15,511.58 : x
  2. Step 2: Convert to fraction form
    30,494.32/45,783.46 = 15,511.58/x
  3. Step 3: Cross multiply
    30,494.32x = 45,783.46 × 15,511.58
  4. Step 4: Simplify right side
    30,494.32x = 710,173,713.46
  5. Step 5: Solve for x
    x = 710,173,713.46/30,494.32
  6. Step 6: Final answer
    x = 23,288.72

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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.