Home / 30,296.54-45,444.80-8,109.36

Finding the Fourth Proportional to 30,296.54, 45,444.80 and 8,109.36

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Solution

The fourth proportional to 30,296.54, 45,444.80 and 8,109.36 is: 12,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.54 : 45,444.80 = 8,109.36 : x
  2. Step 2: Convert to fraction form
    30,296.54/45,444.80 = 8,109.36/x
  3. Step 3: Cross multiply
    30,296.54x = 45,444.80 × 8,109.36
  4. Step 4: Simplify right side
    30,296.54x = 368,528,263.60
  5. Step 5: Solve for x
    x = 368,528,263.60/30,296.54
  6. Step 6: Final answer
    x = 12,164.04

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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.