Home / 56,548.57-84,822-19,134.94

Finding the Fourth Proportional to 56,548.57, 84,822 and 19,134.94

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Solution

The fourth proportional to 56,548.57, 84,822 and 19,134.94 is: 28,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,548.57 : 84,822 = 19,134.94 : x
  2. Step 2: Convert to fraction form
    56,548.57/84,822 = 19,134.94/x
  3. Step 3: Cross multiply
    56,548.57x = 84,822 × 19,134.94
  4. Step 4: Simplify right side
    56,548.57x = 1,623,063,880.68
  5. Step 5: Solve for x
    x = 1,623,063,880.68/56,548.57
  6. Step 6: Final answer
    x = 28,702.12

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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.