Home / 52,432.68-78,651-14,485.80

Finding the Fourth Proportional to 52,432.68, 78,651 and 14,485.80

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Solution

The fourth proportional to 52,432.68, 78,651 and 14,485.80 is: 21,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,432.68 : 78,651 = 14,485.80 : x
  2. Step 2: Convert to fraction form
    52,432.68/78,651 = 14,485.80/x
  3. Step 3: Cross multiply
    52,432.68x = 78,651 × 14,485.80
  4. Step 4: Simplify right side
    52,432.68x = 1,139,322,950.74
  5. Step 5: Solve for x
    x = 1,139,322,950.74/52,432.68
  6. Step 6: Final answer
    x = 21,729.25

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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.