Home / 53,693.80-74,107.10-31,029.66

Finding the Fourth Proportional to 53,693.80, 74,107.10 and 31,029.66

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Solution

The fourth proportional to 53,693.80, 74,107.10 and 31,029.66 is: 42,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,693.80 : 74,107.10 = 31,029.66 : x
  2. Step 2: Convert to fraction form
    53,693.80/74,107.10 = 31,029.66/x
  3. Step 3: Cross multiply
    53,693.80x = 74,107.10 × 31,029.66
  4. Step 4: Simplify right side
    53,693.80x = 2,299,518,116.59
  5. Step 5: Solve for x
    x = 2,299,518,116.59/53,693.80
  6. Step 6: Final answer
    x = 42,826.51

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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.