Home / 53,997.32-74,499.76-31,328.44

Finding the Fourth Proportional to 53,997.32, 74,499.76 and 31,328.44

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Solution

The fourth proportional to 53,997.32, 74,499.76 and 31,328.44 is: 43,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,997.32 : 74,499.76 = 31,328.44 : x
  2. Step 2: Convert to fraction form
    53,997.32/74,499.76 = 31,328.44/x
  3. Step 3: Cross multiply
    53,997.32x = 74,499.76 × 31,328.44
  4. Step 4: Simplify right side
    53,997.32x = 2,333,961,261.17
  5. Step 5: Solve for x
    x = 2,333,961,261.17/53,997.32
  6. Step 6: Final answer
    x = 43,223.65

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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.