Home / 51,557.50-77,349.21-14,621.50

Finding the Fourth Proportional to 51,557.50, 77,349.21 and 14,621.50

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Solution

The fourth proportional to 51,557.50, 77,349.21 and 14,621.50 is: 21,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,557.50 : 77,349.21 = 14,621.50 : x
  2. Step 2: Convert to fraction form
    51,557.50/77,349.21 = 14,621.50/x
  3. Step 3: Cross multiply
    51,557.50x = 77,349.21 × 14,621.50
  4. Step 4: Simplify right side
    51,557.50x = 1,130,961,474.02
  5. Step 5: Solve for x
    x = 1,130,961,474.02/51,557.50
  6. Step 6: Final answer
    x = 21,935.93

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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.