Home / 54,280.33-81,421.56-35,678.95

Finding the Fourth Proportional to 54,280.33, 81,421.56 and 35,678.95

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Solution

The fourth proportional to 54,280.33, 81,421.56 and 35,678.95 is: 53,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.33 : 81,421.56 = 35,678.95 : x
  2. Step 2: Convert to fraction form
    54,280.33/81,421.56 = 35,678.95/x
  3. Step 3: Cross multiply
    54,280.33x = 81,421.56 × 35,678.95
  4. Step 4: Simplify right side
    54,280.33x = 2,905,035,768.16
  5. Step 5: Solve for x
    x = 2,905,035,768.16/54,280.33
  6. Step 6: Final answer
    x = 53,519.13

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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.