Home / 56,479.28-84,714.32-19,038.54

Finding the Fourth Proportional to 56,479.28, 84,714.32 and 19,038.54

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Solution

The fourth proportional to 56,479.28, 84,714.32 and 19,038.54 is: 28,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479.28 : 84,714.32 = 19,038.54 : x
  2. Step 2: Convert to fraction form
    56,479.28/84,714.32 = 19,038.54/x
  3. Step 3: Cross multiply
    56,479.28x = 84,714.32 × 19,038.54
  4. Step 4: Simplify right side
    56,479.28x = 1,612,837,335.17
  5. Step 5: Solve for x
    x = 1,612,837,335.17/56,479.28
  6. Step 6: Final answer
    x = 28,556.27

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1.5x scale

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.