Home / 40,263.10-60,405.59-13,969.89

Finding the Fourth Proportional to 40,263.10, 60,405.59 and 13,969.89

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Solution

The fourth proportional to 40,263.10, 60,405.59 and 13,969.89 is: 20,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,263.10 : 60,405.59 = 13,969.89 : x
  2. Step 2: Convert to fraction form
    40,263.10/60,405.59 = 13,969.89/x
  3. Step 3: Cross multiply
    40,263.10x = 60,405.59 × 13,969.89
  4. Step 4: Simplify right side
    40,263.10x = 843,859,482.61
  5. Step 5: Solve for x
    x = 843,859,482.61/40,263.10
  6. Step 6: Final answer
    x = 20,958.63

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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.