Home / 54,036.56-81,062.94-18,970.04

Finding the Fourth Proportional to 54,036.56, 81,062.94 and 18,970.04

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Solution

The fourth proportional to 54,036.56, 81,062.94 and 18,970.04 is: 28,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036.56 : 81,062.94 = 18,970.04 : x
  2. Step 2: Convert to fraction form
    54,036.56/81,062.94 = 18,970.04/x
  3. Step 3: Cross multiply
    54,036.56x = 81,062.94 × 18,970.04
  4. Step 4: Simplify right side
    54,036.56x = 1,537,767,214.32
  5. Step 5: Solve for x
    x = 1,537,767,214.32/54,036.56
  6. Step 6: Final answer
    x = 28,457.90

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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.