Home / 54,294.48-81,421.73-18,746.73

Finding the Fourth Proportional to 54,294.48, 81,421.73 and 18,746.73

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Solution

The fourth proportional to 54,294.48, 81,421.73 and 18,746.73 is: 28,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,294.48 : 81,421.73 = 18,746.73 : x
  2. Step 2: Convert to fraction form
    54,294.48/81,421.73 = 18,746.73/x
  3. Step 3: Cross multiply
    54,294.48x = 81,421.73 × 18,746.73
  4. Step 4: Simplify right side
    54,294.48x = 1,526,391,094.71
  5. Step 5: Solve for x
    x = 1,526,391,094.71/54,294.48
  6. Step 6: Final answer
    x = 28,113.19

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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.