Home / 40,915.64-56,456.52-23,009.24

Finding the Fourth Proportional to 40,915.64, 56,456.52 and 23,009.24

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Solution

The fourth proportional to 40,915.64, 56,456.52 and 23,009.24 is: 31,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,915.64 : 56,456.52 = 23,009.24 : x
  2. Step 2: Convert to fraction form
    40,915.64/56,456.52 = 23,009.24/x
  3. Step 3: Cross multiply
    40,915.64x = 56,456.52 × 23,009.24
  4. Step 4: Simplify right side
    40,915.64x = 1,299,021,618.24
  5. Step 5: Solve for x
    x = 1,299,021,618.24/40,915.64
  6. Step 6: Final answer
    x = 31,748.78

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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.