Home / 42,894.48-64,291.98-25,379.04

Finding the Fourth Proportional to 42,894.48, 64,291.98 and 25,379.04

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Solution

The fourth proportional to 42,894.48, 64,291.98 and 25,379.04 is: 38,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,894.48 : 64,291.98 = 25,379.04 : x
  2. Step 2: Convert to fraction form
    42,894.48/64,291.98 = 25,379.04/x
  3. Step 3: Cross multiply
    42,894.48x = 64,291.98 × 25,379.04
  4. Step 4: Simplify right side
    42,894.48x = 1,631,668,732.10
  5. Step 5: Solve for x
    x = 1,631,668,732.10/42,894.48
  6. Step 6: Final answer
    x = 38,039.13

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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.