Home / 56,478.56-84,718.12-19,038.96

Finding the Fourth Proportional to 56,478.56, 84,718.12 and 19,038.96

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Solution

The fourth proportional to 56,478.56, 84,718.12 and 19,038.96 is: 28,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,478.56 : 84,718.12 = 19,038.96 : x
  2. Step 2: Convert to fraction form
    56,478.56/84,718.12 = 19,038.96/x
  3. Step 3: Cross multiply
    56,478.56x = 84,718.12 × 19,038.96
  4. Step 4: Simplify right side
    56,478.56x = 1,612,944,521.96
  5. Step 5: Solve for x
    x = 1,612,944,521.96/56,478.56
  6. Step 6: Final answer
    x = 28,558.53

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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.