Home / 58,021.92-87,022.55-31,355.51

Finding the Fourth Proportional to 58,021.92, 87,022.55 and 31,355.51

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Solution

The fourth proportional to 58,021.92, 87,022.55 and 31,355.51 is: 47,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,021.92 : 87,022.55 = 31,355.51 : x
  2. Step 2: Convert to fraction form
    58,021.92/87,022.55 = 31,355.51/x
  3. Step 3: Cross multiply
    58,021.92x = 87,022.55 × 31,355.51
  4. Step 4: Simplify right side
    58,021.92x = 2,728,636,080.03
  5. Step 5: Solve for x
    x = 2,728,636,080.03/58,021.92
  6. Step 6: Final answer
    x = 47,027.68

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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.