Home / 51,870.30-77,796.87-18,585.42

Finding the Fourth Proportional to 51,870.30, 77,796.87 and 18,585.42

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Solution

The fourth proportional to 51,870.30, 77,796.87 and 18,585.42 is: 27,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,870.30 : 77,796.87 = 18,585.42 : x
  2. Step 2: Convert to fraction form
    51,870.30/77,796.87 = 18,585.42/x
  3. Step 3: Cross multiply
    51,870.30x = 77,796.87 × 18,585.42
  4. Step 4: Simplify right side
    51,870.30x = 1,445,887,503.64
  5. Step 5: Solve for x
    x = 1,445,887,503.64/51,870.30
  6. Step 6: Final answer
    x = 27,875.06

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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.