Home / 51,915.84-77,871.42-14,475.18

Finding the Fourth Proportional to 51,915.84, 77,871.42 and 14,475.18

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Solution

The fourth proportional to 51,915.84, 77,871.42 and 14,475.18 is: 21,712.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,915.84 : 77,871.42 = 14,475.18 : x
  2. Step 2: Convert to fraction form
    51,915.84/77,871.42 = 14,475.18/x
  3. Step 3: Cross multiply
    51,915.84x = 77,871.42 × 14,475.18
  4. Step 4: Simplify right side
    51,915.84x = 1,127,202,821.36
  5. Step 5: Solve for x
    x = 1,127,202,821.36/51,915.84
  6. Step 6: Final answer
    x = 21,712.12

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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.