Home / 40,405.08-60,635.26-14,109.80

Finding the Fourth Proportional to 40,405.08, 60,635.26 and 14,109.80

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Solution

The fourth proportional to 40,405.08, 60,635.26 and 14,109.80 is: 21,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,405.08 : 60,635.26 = 14,109.80 : x
  2. Step 2: Convert to fraction form
    40,405.08/60,635.26 = 14,109.80/x
  3. Step 3: Cross multiply
    40,405.08x = 60,635.26 × 14,109.80
  4. Step 4: Simplify right side
    40,405.08x = 855,551,391.55
  5. Step 5: Solve for x
    x = 855,551,391.55/40,405.08
  6. Step 6: Final answer
    x = 21,174.35

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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.