Home / 52,204.80-78,307.20-17,145.60

Finding the Fourth Proportional to 52,204.80, 78,307.20 and 17,145.60

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Solution

The fourth proportional to 52,204.80, 78,307.20 and 17,145.60 is: 25,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,204.80 : 78,307.20 = 17,145.60 : x
  2. Step 2: Convert to fraction form
    52,204.80/78,307.20 = 17,145.60/x
  3. Step 3: Cross multiply
    52,204.80x = 78,307.20 × 17,145.60
  4. Step 4: Simplify right side
    52,204.80x = 1,342,623,928.32
  5. Step 5: Solve for x
    x = 1,342,623,928.32/52,204.80
  6. Step 6: Final answer
    x = 25,718.40

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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.