Home / 51,681.15-77,511.47-14,231.52

Finding the Fourth Proportional to 51,681.15, 77,511.47 and 14,231.52

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Solution

The fourth proportional to 51,681.15, 77,511.47 and 14,231.52 is: 21,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,681.15 : 77,511.47 = 14,231.52 : x
  2. Step 2: Convert to fraction form
    51,681.15/77,511.47 = 14,231.52/x
  3. Step 3: Cross multiply
    51,681.15x = 77,511.47 × 14,231.52
  4. Step 4: Simplify right side
    51,681.15x = 1,103,105,964.38
  5. Step 5: Solve for x
    x = 1,103,105,964.38/51,681.15
  6. Step 6: Final answer
    x = 21,344.45

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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.