Home / 30,035.62-45,025.57-14,248.08

Finding the Fourth Proportional to 30,035.62, 45,025.57 and 14,248.08

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Solution

The fourth proportional to 30,035.62, 45,025.57 and 14,248.08 is: 21,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.62 : 45,025.57 = 14,248.08 : x
  2. Step 2: Convert to fraction form
    30,035.62/45,025.57 = 14,248.08/x
  3. Step 3: Cross multiply
    30,035.62x = 45,025.57 × 14,248.08
  4. Step 4: Simplify right side
    30,035.62x = 641,527,923.41
  5. Step 5: Solve for x
    x = 641,527,923.41/30,035.62
  6. Step 6: Final answer
    x = 21,358.90

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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.