Home / 56,509.07-84,704.52-19,056.20

Finding the Fourth Proportional to 56,509.07, 84,704.52 and 19,056.20

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Solution

The fourth proportional to 56,509.07, 84,704.52 and 19,056.20 is: 28,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,509.07 : 84,704.52 = 19,056.20 : x
  2. Step 2: Convert to fraction form
    56,509.07/84,704.52 = 19,056.20/x
  3. Step 3: Cross multiply
    56,509.07x = 84,704.52 × 19,056.20
  4. Step 4: Simplify right side
    56,509.07x = 1,614,146,274.02
  5. Step 5: Solve for x
    x = 1,614,146,274.02/56,509.07
  6. Step 6: Final answer
    x = 28,564.38

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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.