Home / 31,320.69-43,197.43-27,535.83

Finding the Fourth Proportional to 31,320.69, 43,197.43 and 27,535.83

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Solution

The fourth proportional to 31,320.69, 43,197.43 and 27,535.83 is: 37,977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.69 : 43,197.43 = 27,535.83 : x
  2. Step 2: Convert to fraction form
    31,320.69/43,197.43 = 27,535.83/x
  3. Step 3: Cross multiply
    31,320.69x = 43,197.43 × 27,535.83
  4. Step 4: Simplify right side
    31,320.69x = 1,189,477,088.92
  5. Step 5: Solve for x
    x = 1,189,477,088.92/31,320.69
  6. Step 6: Final answer
    x = 37,977.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.