Home / 48,946.36-67,539.52-31,009.72

Finding the Fourth Proportional to 48,946.36, 67,539.52 and 31,009.72

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Solution

The fourth proportional to 48,946.36, 67,539.52 and 31,009.72 is: 42,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,946.36 : 67,539.52 = 31,009.72 : x
  2. Step 2: Convert to fraction form
    48,946.36/67,539.52 = 31,009.72/x
  3. Step 3: Cross multiply
    48,946.36x = 67,539.52 × 31,009.72
  4. Step 4: Simplify right side
    48,946.36x = 2,094,381,604.13
  5. Step 5: Solve for x
    x = 2,094,381,604.13/48,946.36
  6. Step 6: Final answer
    x = 42,789.32

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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.