Home / 48,632.18-67,129.16-28,495.58

Finding the Fourth Proportional to 48,632.18, 67,129.16 and 28,495.58

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Solution

The fourth proportional to 48,632.18, 67,129.16 and 28,495.58 is: 39,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,632.18 : 67,129.16 = 28,495.58 : x
  2. Step 2: Convert to fraction form
    48,632.18/67,129.16 = 28,495.58/x
  3. Step 3: Cross multiply
    48,632.18x = 67,129.16 × 28,495.58
  4. Step 4: Simplify right side
    48,632.18x = 1,912,883,870.99
  5. Step 5: Solve for x
    x = 1,912,883,870.99/48,632.18
  6. Step 6: Final answer
    x = 39,333.71

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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.