Home / 58,555.11-87,814.50-21,110.33

Finding the Fourth Proportional to 58,555.11, 87,814.50 and 21,110.33

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Solution

The fourth proportional to 58,555.11, 87,814.50 and 21,110.33 is: 31,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,555.11 : 87,814.50 = 21,110.33 : x
  2. Step 2: Convert to fraction form
    58,555.11/87,814.50 = 21,110.33/x
  3. Step 3: Cross multiply
    58,555.11x = 87,814.50 × 21,110.33
  4. Step 4: Simplify right side
    58,555.11x = 1,853,793,073.79
  5. Step 5: Solve for x
    x = 1,853,793,073.79/58,555.11
  6. Step 6: Final answer
    x = 31,658.95

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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.