Home / 40,378.92-60,551.10-14,075.88

Finding the Fourth Proportional to 40,378.92, 60,551.10 and 14,075.88

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Solution

The fourth proportional to 40,378.92, 60,551.10 and 14,075.88 is: 21,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.92 : 60,551.10 = 14,075.88 : x
  2. Step 2: Convert to fraction form
    40,378.92/60,551.10 = 14,075.88/x
  3. Step 3: Cross multiply
    40,378.92x = 60,551.10 × 14,075.88
  4. Step 4: Simplify right side
    40,378.92x = 852,310,017.47
  5. Step 5: Solve for x
    x = 852,310,017.47/40,378.92
  6. Step 6: Final answer
    x = 21,107.80

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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.