Home / 30,416.34-45,653.20-15,635.64

Finding the Fourth Proportional to 30,416.34, 45,653.20 and 15,635.64

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Solution

The fourth proportional to 30,416.34, 45,653.20 and 15,635.64 is: 23,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.34 : 45,653.20 = 15,635.64 : x
  2. Step 2: Convert to fraction form
    30,416.34/45,653.20 = 15,635.64/x
  3. Step 3: Cross multiply
    30,416.34x = 45,653.20 × 15,635.64
  4. Step 4: Simplify right side
    30,416.34x = 713,817,000.05
  5. Step 5: Solve for x
    x = 713,817,000.05/30,416.34
  6. Step 6: Final answer
    x = 23,468.21

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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.