Home / 54,280.61-74,953.13-40,828.43

Finding the Fourth Proportional to 54,280.61, 74,953.13 and 40,828.43

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Solution

The fourth proportional to 54,280.61, 74,953.13 and 40,828.43 is: 56,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.61 : 74,953.13 = 40,828.43 : x
  2. Step 2: Convert to fraction form
    54,280.61/74,953.13 = 40,828.43/x
  3. Step 3: Cross multiply
    54,280.61x = 74,953.13 × 40,828.43
  4. Step 4: Simplify right side
    54,280.61x = 3,060,218,417.34
  5. Step 5: Solve for x
    x = 3,060,218,417.34/54,280.61
  6. Step 6: Final answer
    x = 56,377.75

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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.