Home / 30,632.49-45,951.39-8,445.92

Finding the Fourth Proportional to 30,632.49, 45,951.39 and 8,445.92

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Solution

The fourth proportional to 30,632.49, 45,951.39 and 8,445.92 is: 12,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632.49 : 45,951.39 = 8,445.92 : x
  2. Step 2: Convert to fraction form
    30,632.49/45,951.39 = 8,445.92/x
  3. Step 3: Cross multiply
    30,632.49x = 45,951.39 × 8,445.92
  4. Step 4: Simplify right side
    30,632.49x = 388,101,534.07
  5. Step 5: Solve for x
    x = 388,101,534.07/30,632.49
  6. Step 6: Final answer
    x = 12,669.60

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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.