Home / 30,056.28-45,088.52-12,522

Finding the Fourth Proportional to 30,056.28, 45,088.52 and 12,522

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Solution

The fourth proportional to 30,056.28, 45,088.52 and 12,522 is: 18,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.28 : 45,088.52 = 12,522 : x
  2. Step 2: Convert to fraction form
    30,056.28/45,088.52 = 12,522/x
  3. Step 3: Cross multiply
    30,056.28x = 45,088.52 × 12,522
  4. Step 4: Simplify right side
    30,056.28x = 564,598,384.83
  5. Step 5: Solve for x
    x = 564,598,384.83/30,056.28
  6. Step 6: Final answer
    x = 18,784.71

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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.