Home / 51,870.80-77,797.62-18,585.92

Finding the Fourth Proportional to 51,870.80, 77,797.62 and 18,585.92

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Solution

The fourth proportional to 51,870.80, 77,797.62 and 18,585.92 is: 27,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,870.80 : 77,797.62 = 18,585.92 : x
  2. Step 2: Convert to fraction form
    51,870.80/77,797.62 = 18,585.92/x
  3. Step 3: Cross multiply
    51,870.80x = 77,797.62 × 18,585.92
  4. Step 4: Simplify right side
    51,870.80x = 1,445,940,341.51
  5. Step 5: Solve for x
    x = 1,445,940,341.51/51,870.80
  6. Step 6: Final answer
    x = 27,875.81

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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.