Home / 40,615.92-56,076-25,529.28

Finding the Fourth Proportional to 40,615.92, 56,076 and 25,529.28

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Solution

The fourth proportional to 40,615.92, 56,076 and 25,529.28 is: 35,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,615.92 : 56,076 = 25,529.28 : x
  2. Step 2: Convert to fraction form
    40,615.92/56,076 = 25,529.28/x
  3. Step 3: Cross multiply
    40,615.92x = 56,076 × 25,529.28
  4. Step 4: Simplify right side
    40,615.92x = 1,431,579,905.28
  5. Step 5: Solve for x
    x = 1,431,579,905.28/40,615.92
  6. Step 6: Final answer
    x = 35,246.77

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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.