Home / 52,807.14-72,855.65-30,129.77

Finding the Fourth Proportional to 52,807.14, 72,855.65 and 30,129.77

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Solution

The fourth proportional to 52,807.14, 72,855.65 and 30,129.77 is: 41,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,807.14 : 72,855.65 = 30,129.77 : x
  2. Step 2: Convert to fraction form
    52,807.14/72,855.65 = 30,129.77/x
  3. Step 3: Cross multiply
    52,807.14x = 72,855.65 × 30,129.77
  4. Step 4: Simplify right side
    52,807.14x = 2,195,124,235.16
  5. Step 5: Solve for x
    x = 2,195,124,235.16/52,807.14
  6. Step 6: Final answer
    x = 41,568.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.