Home / 48,656.39-67,156.56-31,631.00

Finding the Fourth Proportional to 48,656.39, 67,156.56 and 31,631.00

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Solution

The fourth proportional to 48,656.39, 67,156.56 and 31,631.00 is: 43,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,656.39 : 67,156.56 = 31,631.00 : x
  2. Step 2: Convert to fraction form
    48,656.39/67,156.56 = 31,631.00/x
  3. Step 3: Cross multiply
    48,656.39x = 67,156.56 × 31,631.00
  4. Step 4: Simplify right side
    48,656.39x = 2,124,228,813.58
  5. Step 5: Solve for x
    x = 2,124,228,813.58/48,656.39
  6. Step 6: Final answer
    x = 43,657.76

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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.