Home / 56,565.41-84,848.31-19,125.79

Finding the Fourth Proportional to 56,565.41, 84,848.31 and 19,125.79

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Solution

The fourth proportional to 56,565.41, 84,848.31 and 19,125.79 is: 28,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,565.41 : 84,848.31 = 19,125.79 : x
  2. Step 2: Convert to fraction form
    56,565.41/84,848.31 = 19,125.79/x
  3. Step 3: Cross multiply
    56,565.41x = 84,848.31 × 19,125.79
  4. Step 4: Simplify right side
    56,565.41x = 1,622,790,746.79
  5. Step 5: Solve for x
    x = 1,622,790,746.79/56,565.41
  6. Step 6: Final answer
    x = 28,688.75

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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.