Home / 39,282.73-54,210.06-21,377.73

Finding the Fourth Proportional to 39,282.73, 54,210.06 and 21,377.73

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Solution

The fourth proportional to 39,282.73, 54,210.06 and 21,377.73 is: 29,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,282.73 : 54,210.06 = 21,377.73 : x
  2. Step 2: Convert to fraction form
    39,282.73/54,210.06 = 21,377.73/x
  3. Step 3: Cross multiply
    39,282.73x = 54,210.06 × 21,377.73
  4. Step 4: Simplify right side
    39,282.73x = 1,158,888,025.96
  5. Step 5: Solve for x
    x = 1,158,888,025.96/39,282.73
  6. Step 6: Final answer
    x = 29,501.21

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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.