Home / 52,661.04-78,979.90-15,212.98

Finding the Fourth Proportional to 52,661.04, 78,979.90 and 15,212.98

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Solution

The fourth proportional to 52,661.04, 78,979.90 and 15,212.98 is: 22,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,661.04 : 78,979.90 = 15,212.98 : x
  2. Step 2: Convert to fraction form
    52,661.04/78,979.90 = 15,212.98/x
  3. Step 3: Cross multiply
    52,661.04x = 78,979.90 × 15,212.98
  4. Step 4: Simplify right side
    52,661.04x = 1,201,519,639.10
  5. Step 5: Solve for x
    x = 1,201,519,639.10/52,661.04
  6. Step 6: Final answer
    x = 22,816.10

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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.