Home / 48,804.45-67,357.36-30,901.12

Finding the Fourth Proportional to 48,804.45, 67,357.36 and 30,901.12

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Solution

The fourth proportional to 48,804.45, 67,357.36 and 30,901.12 is: 42,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,804.45 : 67,357.36 = 30,901.12 : x
  2. Step 2: Convert to fraction form
    48,804.45/67,357.36 = 30,901.12/x
  3. Step 3: Cross multiply
    48,804.45x = 67,357.36 × 30,901.12
  4. Step 4: Simplify right side
    48,804.45x = 2,081,417,864.24
  5. Step 5: Solve for x
    x = 2,081,417,864.24/48,804.45
  6. Step 6: Final answer
    x = 42,648.12

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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.