Home / 53,855.70-74,317.38-29,981.76

Finding the Fourth Proportional to 53,855.70, 74,317.38 and 29,981.76

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Solution

The fourth proportional to 53,855.70, 74,317.38 and 29,981.76 is: 41,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.70 : 74,317.38 = 29,981.76 : x
  2. Step 2: Convert to fraction form
    53,855.70/74,317.38 = 29,981.76/x
  3. Step 3: Cross multiply
    53,855.70x = 74,317.38 × 29,981.76
  4. Step 4: Simplify right side
    53,855.70x = 2,228,165,850.99
  5. Step 5: Solve for x
    x = 2,228,165,850.99/53,855.70
  6. Step 6: Final answer
    x = 41,372.89

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1.5x scale

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.