Home / 53,679.76-74,081.43-31,022.89

Finding the Fourth Proportional to 53,679.76, 74,081.43 and 31,022.89

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Solution

The fourth proportional to 53,679.76, 74,081.43 and 31,022.89 is: 42,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,679.76 : 74,081.43 = 31,022.89 : x
  2. Step 2: Convert to fraction form
    53,679.76/74,081.43 = 31,022.89/x
  3. Step 3: Cross multiply
    53,679.76x = 74,081.43 × 31,022.89
  4. Step 4: Simplify right side
    53,679.76x = 2,298,219,868.73
  5. Step 5: Solve for x
    x = 2,298,219,868.73/53,679.76
  6. Step 6: Final answer
    x = 42,813.53

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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.