Home / 55,529.28-76,632.48-31,655.34

Finding the Fourth Proportional to 55,529.28, 76,632.48 and 31,655.34

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Solution

The fourth proportional to 55,529.28, 76,632.48 and 31,655.34 is: 43,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,529.28 : 76,632.48 = 31,655.34 : x
  2. Step 2: Convert to fraction form
    55,529.28/76,632.48 = 31,655.34/x
  3. Step 3: Cross multiply
    55,529.28x = 76,632.48 × 31,655.34
  4. Step 4: Simplify right side
    55,529.28x = 2,425,827,209.44
  5. Step 5: Solve for x
    x = 2,425,827,209.44/55,529.28
  6. Step 6: Final answer
    x = 43,685.55

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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.