Home / 32,870.73-45,355.23-20,126.82

Finding the Fourth Proportional to 32,870.73, 45,355.23 and 20,126.82

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Solution

The fourth proportional to 32,870.73, 45,355.23 and 20,126.82 is: 27,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,870.73 : 45,355.23 = 20,126.82 : x
  2. Step 2: Convert to fraction form
    32,870.73/45,355.23 = 20,126.82/x
  3. Step 3: Cross multiply
    32,870.73x = 45,355.23 × 20,126.82
  4. Step 4: Simplify right side
    32,870.73x = 912,856,550.27
  5. Step 5: Solve for x
    x = 912,856,550.27/32,870.73
  6. Step 6: Final answer
    x = 27,771.11

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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.