Home / 30,369.60-45,530.64-14,783.04

Finding the Fourth Proportional to 30,369.60, 45,530.64 and 14,783.04

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Solution

The fourth proportional to 30,369.60, 45,530.64 and 14,783.04 is: 22,162.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.60 : 45,530.64 = 14,783.04 : x
  2. Step 2: Convert to fraction form
    30,369.60/45,530.64 = 14,783.04/x
  3. Step 3: Cross multiply
    30,369.60x = 45,530.64 × 14,783.04
  4. Step 4: Simplify right side
    30,369.60x = 673,081,272.35
  5. Step 5: Solve for x
    x = 673,081,272.35/30,369.60
  6. Step 6: Final answer
    x = 22,162.99

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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.