Home / 30,366.60-45,562.50-13,715.16

Finding the Fourth Proportional to 30,366.60, 45,562.50 and 13,715.16

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Solution

The fourth proportional to 30,366.60, 45,562.50 and 13,715.16 is: 20,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.60 : 45,562.50 = 13,715.16 : x
  2. Step 2: Convert to fraction form
    30,366.60/45,562.50 = 13,715.16/x
  3. Step 3: Cross multiply
    30,366.60x = 45,562.50 × 13,715.16
  4. Step 4: Simplify right side
    30,366.60x = 624,896,977.50
  5. Step 5: Solve for x
    x = 624,896,977.50/30,366.60
  6. Step 6: Final answer
    x = 20,578.43

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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.