Home / 52,128.54-78,136.82-22,117.44

Finding the Fourth Proportional to 52,128.54, 78,136.82 and 22,117.44

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Solution

The fourth proportional to 52,128.54, 78,136.82 and 22,117.44 is: 33,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.54 : 78,136.82 = 22,117.44 : x
  2. Step 2: Convert to fraction form
    52,128.54/78,136.82 = 22,117.44/x
  3. Step 3: Cross multiply
    52,128.54x = 78,136.82 × 22,117.44
  4. Step 4: Simplify right side
    52,128.54x = 1,728,186,428.14
  5. Step 5: Solve for x
    x = 1,728,186,428.14/52,128.54
  6. Step 6: Final answer
    x = 33,152.40

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1.5x scale

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.