Home / 30,818.64-46,220.04-12,099.36

Finding the Fourth Proportional to 30,818.64, 46,220.04 and 12,099.36

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Solution

The fourth proportional to 30,818.64, 46,220.04 and 12,099.36 is: 18,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,818.64 : 46,220.04 = 12,099.36 : x
  2. Step 2: Convert to fraction form
    30,818.64/46,220.04 = 12,099.36/x
  3. Step 3: Cross multiply
    30,818.64x = 46,220.04 × 12,099.36
  4. Step 4: Simplify right side
    30,818.64x = 559,232,903.17
  5. Step 5: Solve for x
    x = 559,232,903.17/30,818.64
  6. Step 6: Final answer
    x = 18,145.93

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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.