Home / 30,600.59-45,903.11-12,813.36

Finding the Fourth Proportional to 30,600.59, 45,903.11 and 12,813.36

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Solution

The fourth proportional to 30,600.59, 45,903.11 and 12,813.36 is: 19,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600.59 : 45,903.11 = 12,813.36 : x
  2. Step 2: Convert to fraction form
    30,600.59/45,903.11 = 12,813.36/x
  3. Step 3: Cross multiply
    30,600.59x = 45,903.11 × 12,813.36
  4. Step 4: Simplify right side
    30,600.59x = 588,173,009.48
  5. Step 5: Solve for x
    x = 588,173,009.48/30,600.59
  6. Step 6: Final answer
    x = 19,220.97

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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.