Home / 58,649.17-87,979.90-19,209.35

Finding the Fourth Proportional to 58,649.17, 87,979.90 and 19,209.35

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Solution

The fourth proportional to 58,649.17, 87,979.90 and 19,209.35 is: 28,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,649.17 : 87,979.90 = 19,209.35 : x
  2. Step 2: Convert to fraction form
    58,649.17/87,979.90 = 19,209.35/x
  3. Step 3: Cross multiply
    58,649.17x = 87,979.90 × 19,209.35
  4. Step 4: Simplify right side
    58,649.17x = 1,690,036,596.02
  5. Step 5: Solve for x
    x = 1,690,036,596.02/58,649.17
  6. Step 6: Final answer
    x = 28,816.04

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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.