Home / 53,768.40-74,172-31,952.28

Finding the Fourth Proportional to 53,768.40, 74,172 and 31,952.28

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Solution

The fourth proportional to 53,768.40, 74,172 and 31,952.28 is: 44,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,768.40 : 74,172 = 31,952.28 : x
  2. Step 2: Convert to fraction form
    53,768.40/74,172 = 31,952.28/x
  3. Step 3: Cross multiply
    53,768.40x = 74,172 × 31,952.28
  4. Step 4: Simplify right side
    53,768.40x = 2,369,964,512.16
  5. Step 5: Solve for x
    x = 2,369,964,512.16/53,768.40
  6. Step 6: Final answer
    x = 44,077.27

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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.