Home / 39,428.73-54,273.54-34,384.05

Finding the Fourth Proportional to 39,428.73, 54,273.54 and 34,384.05

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Solution

The fourth proportional to 39,428.73, 54,273.54 and 34,384.05 is: 47,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428.73 : 54,273.54 = 34,384.05 : x
  2. Step 2: Convert to fraction form
    39,428.73/54,273.54 = 34,384.05/x
  3. Step 3: Cross multiply
    39,428.73x = 54,273.54 × 34,384.05
  4. Step 4: Simplify right side
    39,428.73x = 1,866,144,316.56
  5. Step 5: Solve for x
    x = 1,866,144,316.56/39,428.73
  6. Step 6: Final answer
    x = 47,329.55

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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.