Home / 31,828.77-47,677.55-18,641.16

Finding the Fourth Proportional to 31,828.77, 47,677.55 and 18,641.16

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Solution

The fourth proportional to 31,828.77, 47,677.55 and 18,641.16 is: 27,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.77 : 47,677.55 = 18,641.16 : x
  2. Step 2: Convert to fraction form
    31,828.77/47,677.55 = 18,641.16/x
  3. Step 3: Cross multiply
    31,828.77x = 47,677.55 × 18,641.16
  4. Step 4: Simplify right side
    31,828.77x = 888,764,744.75
  5. Step 5: Solve for x
    x = 888,764,744.75/31,828.77
  6. Step 6: Final answer
    x = 27,923.31

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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.