Home / 30,298.28-45,444.24-8,113.94

Finding the Fourth Proportional to 30,298.28, 45,444.24 and 8,113.94

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Solution

The fourth proportional to 30,298.28, 45,444.24 and 8,113.94 is: 12,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298.28 : 45,444.24 = 8,113.94 : x
  2. Step 2: Convert to fraction form
    30,298.28/45,444.24 = 8,113.94/x
  3. Step 3: Cross multiply
    30,298.28x = 45,444.24 × 8,113.94
  4. Step 4: Simplify right side
    30,298.28x = 368,731,836.71
  5. Step 5: Solve for x
    x = 368,731,836.71/30,298.28
  6. Step 6: Final answer
    x = 12,170.06

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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.