Home / 51,869.15-77,815.38-15,848.74

Finding the Fourth Proportional to 51,869.15, 77,815.38 and 15,848.74

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Solution

The fourth proportional to 51,869.15, 77,815.38 and 15,848.74 is: 23,776.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,869.15 : 77,815.38 = 15,848.74 : x
  2. Step 2: Convert to fraction form
    51,869.15/77,815.38 = 15,848.74/x
  3. Step 3: Cross multiply
    51,869.15x = 77,815.38 × 15,848.74
  4. Step 4: Simplify right side
    51,869.15x = 1,233,276,130.82
  5. Step 5: Solve for x
    x = 1,233,276,130.82/51,869.15
  6. Step 6: Final answer
    x = 23,776.68

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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.