Home / 36,900.81-55,307.88-17,137.71

Finding the Fourth Proportional to 36,900.81, 55,307.88 and 17,137.71

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Solution

The fourth proportional to 36,900.81, 55,307.88 and 17,137.71 is: 25,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,900.81 : 55,307.88 = 17,137.71 : x
  2. Step 2: Convert to fraction form
    36,900.81/55,307.88 = 17,137.71/x
  3. Step 3: Cross multiply
    36,900.81x = 55,307.88 × 17,137.71
  4. Step 4: Simplify right side
    36,900.81x = 947,850,408.15
  5. Step 5: Solve for x
    x = 947,850,408.15/36,900.81
  6. Step 6: Final answer
    x = 25,686.44

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1.5x scale

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.