Home / 56,557.96-84,822.92-19,117.20

Finding the Fourth Proportional to 56,557.96, 84,822.92 and 19,117.20

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Solution

The fourth proportional to 56,557.96, 84,822.92 and 19,117.20 is: 28,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,557.96 : 84,822.92 = 19,117.20 : x
  2. Step 2: Convert to fraction form
    56,557.96/84,822.92 = 19,117.20/x
  3. Step 3: Cross multiply
    56,557.96x = 84,822.92 × 19,117.20
  4. Step 4: Simplify right side
    56,557.96x = 1,621,576,630.64
  5. Step 5: Solve for x
    x = 1,621,576,630.64/56,557.96
  6. Step 6: Final answer
    x = 28,671.06

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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.