Home / 53,943.18-74,435.43-31,277.44

Finding the Fourth Proportional to 53,943.18, 74,435.43 and 31,277.44

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Solution

The fourth proportional to 53,943.18, 74,435.43 and 31,277.44 is: 43,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,943.18 : 74,435.43 = 31,277.44 : x
  2. Step 2: Convert to fraction form
    53,943.18/74,435.43 = 31,277.44/x
  3. Step 3: Cross multiply
    53,943.18x = 74,435.43 × 31,277.44
  4. Step 4: Simplify right side
    53,943.18x = 2,328,149,695.70
  5. Step 5: Solve for x
    x = 2,328,149,695.70/53,943.18
  6. Step 6: Final answer
    x = 43,159.30

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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.