Home / 51,488.04-77,232.84-20,323

Finding the Fourth Proportional to 51,488.04, 77,232.84 and 20,323

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Solution

The fourth proportional to 51,488.04, 77,232.84 and 20,323 is: 30,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,488.04 : 77,232.84 = 20,323 : x
  2. Step 2: Convert to fraction form
    51,488.04/77,232.84 = 20,323/x
  3. Step 3: Cross multiply
    51,488.04x = 77,232.84 × 20,323
  4. Step 4: Simplify right side
    51,488.04x = 1,569,603,007.32
  5. Step 5: Solve for x
    x = 1,569,603,007.32/51,488.04
  6. Step 6: Final answer
    x = 30,484.81

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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.