Home / 52,708.07-78,935.42-30,150.36

Finding the Fourth Proportional to 52,708.07, 78,935.42 and 30,150.36

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Solution

The fourth proportional to 52,708.07, 78,935.42 and 30,150.36 is: 45,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,708.07 : 78,935.42 = 30,150.36 : x
  2. Step 2: Convert to fraction form
    52,708.07/78,935.42 = 30,150.36/x
  3. Step 3: Cross multiply
    52,708.07x = 78,935.42 × 30,150.36
  4. Step 4: Simplify right side
    52,708.07x = 2,379,931,405.13
  5. Step 5: Solve for x
    x = 2,379,931,405.13/52,708.07
  6. Step 6: Final answer
    x = 45,153.07

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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.