Home / 45,244.37-67,875.39-13,656.99

Finding the Fourth Proportional to 45,244.37, 67,875.39 and 13,656.99

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Solution

The fourth proportional to 45,244.37, 67,875.39 and 13,656.99 is: 20,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,244.37 : 67,875.39 = 13,656.99 : x
  2. Step 2: Convert to fraction form
    45,244.37/67,875.39 = 13,656.99/x
  3. Step 3: Cross multiply
    45,244.37x = 67,875.39 × 13,656.99
  4. Step 4: Simplify right side
    45,244.37x = 926,973,522.48
  5. Step 5: Solve for x
    x = 926,973,522.48/45,244.37
  6. Step 6: Final answer
    x = 20,488.15

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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.