Home / 58,174.38-87,278.58-18,730.62

Finding the Fourth Proportional to 58,174.38, 87,278.58 and 18,730.62

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Solution

The fourth proportional to 58,174.38, 87,278.58 and 18,730.62 is: 28,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,174.38 : 87,278.58 = 18,730.62 : x
  2. Step 2: Convert to fraction form
    58,174.38/87,278.58 = 18,730.62/x
  3. Step 3: Cross multiply
    58,174.38x = 87,278.58 × 18,730.62
  4. Step 4: Simplify right side
    58,174.38x = 1,634,781,916.12
  5. Step 5: Solve for x
    x = 1,634,781,916.12/58,174.38
  6. Step 6: Final answer
    x = 28,101.41

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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.