Home / 58,929.17-81,339.43-38,514.21

Finding the Fourth Proportional to 58,929.17, 81,339.43 and 38,514.21

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Solution

The fourth proportional to 58,929.17, 81,339.43 and 38,514.21 is: 53,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,929.17 : 81,339.43 = 38,514.21 : x
  2. Step 2: Convert to fraction form
    58,929.17/81,339.43 = 38,514.21/x
  3. Step 3: Cross multiply
    58,929.17x = 81,339.43 × 38,514.21
  4. Step 4: Simplify right side
    58,929.17x = 3,132,724,076.96
  5. Step 5: Solve for x
    x = 3,132,724,076.96/58,929.17
  6. Step 6: Final answer
    x = 53,160.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.