Home / 32,814.12-45,283.80-18,667.92

Finding the Fourth Proportional to 32,814.12, 45,283.80 and 18,667.92

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Solution

The fourth proportional to 32,814.12, 45,283.80 and 18,667.92 is: 25,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,814.12 : 45,283.80 = 18,667.92 : x
  2. Step 2: Convert to fraction form
    32,814.12/45,283.80 = 18,667.92/x
  3. Step 3: Cross multiply
    32,814.12x = 45,283.80 × 18,667.92
  4. Step 4: Simplify right side
    32,814.12x = 845,354,355.70
  5. Step 5: Solve for x
    x = 845,354,355.70/32,814.12
  6. Step 6: Final answer
    x = 25,761.91

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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.