Home / 54,839.49-75,678.53-29,688.99

Finding the Fourth Proportional to 54,839.49, 75,678.53 and 29,688.99

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Solution

The fourth proportional to 54,839.49, 75,678.53 and 29,688.99 is: 40,970.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,839.49 : 75,678.53 = 29,688.99 : x
  2. Step 2: Convert to fraction form
    54,839.49/75,678.53 = 29,688.99/x
  3. Step 3: Cross multiply
    54,839.49x = 75,678.53 × 29,688.99
  4. Step 4: Simplify right side
    54,839.49x = 2,246,818,971.94
  5. Step 5: Solve for x
    x = 2,246,818,971.94/54,839.49
  6. Step 6: Final answer
    x = 40,970.82

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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.