Home / 58,550.07-87,815.12-21,102.69

Finding the Fourth Proportional to 58,550.07, 87,815.12 and 21,102.69

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Solution

The fourth proportional to 58,550.07, 87,815.12 and 21,102.69 is: 31,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,550.07 : 87,815.12 = 21,102.69 : x
  2. Step 2: Convert to fraction form
    58,550.07/87,815.12 = 21,102.69/x
  3. Step 3: Cross multiply
    58,550.07x = 87,815.12 × 21,102.69
  4. Step 4: Simplify right side
    58,550.07x = 1,853,135,254.67
  5. Step 5: Solve for x
    x = 1,853,135,254.67/58,550.07
  6. Step 6: Final answer
    x = 31,650.44

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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.