Home / 52,526.40-78,794.49-20,928.84

Finding the Fourth Proportional to 52,526.40, 78,794.49 and 20,928.84

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Solution

The fourth proportional to 52,526.40, 78,794.49 and 20,928.84 is: 31,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,526.40 : 78,794.49 = 20,928.84 : x
  2. Step 2: Convert to fraction form
    52,526.40/78,794.49 = 20,928.84/x
  3. Step 3: Cross multiply
    52,526.40x = 78,794.49 × 20,928.84
  4. Step 4: Simplify right side
    52,526.40x = 1,649,077,274.09
  5. Step 5: Solve for x
    x = 1,649,077,274.09/52,526.40
  6. Step 6: Final answer
    x = 31,395.21

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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.