Home / 58,439.56-87,543.96-38,658.28

Finding the Fourth Proportional to 58,439.56, 87,543.96 and 38,658.28

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Solution

The fourth proportional to 58,439.56, 87,543.96 and 38,658.28 is: 57,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,439.56 : 87,543.96 = 38,658.28 : x
  2. Step 2: Convert to fraction form
    58,439.56/87,543.96 = 38,658.28/x
  3. Step 3: Cross multiply
    58,439.56x = 87,543.96 × 38,658.28
  4. Step 4: Simplify right side
    58,439.56x = 3,384,298,917.99
  5. Step 5: Solve for x
    x = 3,384,298,917.99/58,439.56
  6. Step 6: Final answer
    x = 57,911.10

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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.