Home / 53,854.98-74,318.13-29,980.86

Finding the Fourth Proportional to 53,854.98, 74,318.13 and 29,980.86

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Solution

The fourth proportional to 53,854.98, 74,318.13 and 29,980.86 is: 41,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,854.98 : 74,318.13 = 29,980.86 : x
  2. Step 2: Convert to fraction form
    53,854.98/74,318.13 = 29,980.86/x
  3. Step 3: Cross multiply
    53,854.98x = 74,318.13 × 29,980.86
  4. Step 4: Simplify right side
    53,854.98x = 2,228,121,450.99
  5. Step 5: Solve for x
    x = 2,228,121,450.99/53,854.98
  6. Step 6: Final answer
    x = 41,372.62

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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.