Home / 55,840.24-77,056.60-30,684.88

Finding the Fourth Proportional to 55,840.24, 77,056.60 and 30,684.88

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Solution

The fourth proportional to 55,840.24, 77,056.60 and 30,684.88 is: 42,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,840.24 : 77,056.60 = 30,684.88 : x
  2. Step 2: Convert to fraction form
    55,840.24/77,056.60 = 30,684.88/x
  3. Step 3: Cross multiply
    55,840.24x = 77,056.60 × 30,684.88
  4. Step 4: Simplify right side
    55,840.24x = 2,364,472,524.21
  5. Step 5: Solve for x
    x = 2,364,472,524.21/55,840.24
  6. Step 6: Final answer
    x = 42,343.52

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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.