Home / 52,056.16-78,128.04-22,496.40

Finding the Fourth Proportional to 52,056.16, 78,128.04 and 22,496.40

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Solution

The fourth proportional to 52,056.16, 78,128.04 and 22,496.40 is: 33,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,056.16 : 78,128.04 = 22,496.40 : x
  2. Step 2: Convert to fraction form
    52,056.16/78,128.04 = 22,496.40/x
  3. Step 3: Cross multiply
    52,056.16x = 78,128.04 × 22,496.40
  4. Step 4: Simplify right side
    52,056.16x = 1,757,599,639.06
  5. Step 5: Solve for x
    x = 1,757,599,639.06/52,056.16
  6. Step 6: Final answer
    x = 33,763.53

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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.