Home / 48,726.21-67,240.28-30,586.66

Finding the Fourth Proportional to 48,726.21, 67,240.28 and 30,586.66

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Solution

The fourth proportional to 48,726.21, 67,240.28 and 30,586.66 is: 42,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,726.21 : 67,240.28 = 30,586.66 : x
  2. Step 2: Convert to fraction form
    48,726.21/67,240.28 = 30,586.66/x
  3. Step 3: Cross multiply
    48,726.21x = 67,240.28 × 30,586.66
  4. Step 4: Simplify right side
    48,726.21x = 2,056,655,697.21
  5. Step 5: Solve for x
    x = 2,056,655,697.21/48,726.21
  6. Step 6: Final answer
    x = 42,208.41

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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.