Home / 53,333.40-79,972.74-31,190.04

Finding the Fourth Proportional to 53,333.40, 79,972.74 and 31,190.04

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Solution

The fourth proportional to 53,333.40, 79,972.74 and 31,190.04 is: 46,769.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,333.40 : 79,972.74 = 31,190.04 : x
  2. Step 2: Convert to fraction form
    53,333.40/79,972.74 = 31,190.04/x
  3. Step 3: Cross multiply
    53,333.40x = 79,972.74 × 31,190.04
  4. Step 4: Simplify right side
    53,333.40x = 2,494,352,959.51
  5. Step 5: Solve for x
    x = 2,494,352,959.51/53,333.40
  6. Step 6: Final answer
    x = 46,769.06

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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.