Home / 54,971.64-82,411.29-38,282.40

Finding the Fourth Proportional to 54,971.64, 82,411.29 and 38,282.40

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Solution

The fourth proportional to 54,971.64, 82,411.29 and 38,282.40 is: 57,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,971.64 : 82,411.29 = 38,282.40 : x
  2. Step 2: Convert to fraction form
    54,971.64/82,411.29 = 38,282.40/x
  3. Step 3: Cross multiply
    54,971.64x = 82,411.29 × 38,282.40
  4. Step 4: Simplify right side
    54,971.64x = 3,154,901,968.30
  5. Step 5: Solve for x
    x = 3,154,901,968.30/54,971.64
  6. Step 6: Final answer
    x = 57,391.45

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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.