Home / 45,004.95-67,495.68-13,406.58

Finding the Fourth Proportional to 45,004.95, 67,495.68 and 13,406.58

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Solution

The fourth proportional to 45,004.95, 67,495.68 and 13,406.58 is: 20,106.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,004.95 : 67,495.68 = 13,406.58 : x
  2. Step 2: Convert to fraction form
    45,004.95/67,495.68 = 13,406.58/x
  3. Step 3: Cross multiply
    45,004.95x = 67,495.68 × 13,406.58
  4. Step 4: Simplify right side
    45,004.95x = 904,886,233.57
  5. Step 5: Solve for x
    x = 904,886,233.57/45,004.95
  6. Step 6: Final answer
    x = 20,106.37

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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.