Home / 31,048.66-42,845.94-16,901.56

Finding the Fourth Proportional to 31,048.66, 42,845.94 and 16,901.56

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Solution

The fourth proportional to 31,048.66, 42,845.94 and 16,901.56 is: 23,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.66 : 42,845.94 = 16,901.56 : x
  2. Step 2: Convert to fraction form
    31,048.66/42,845.94 = 16,901.56/x
  3. Step 3: Cross multiply
    31,048.66x = 42,845.94 × 16,901.56
  4. Step 4: Simplify right side
    31,048.66x = 724,163,225.67
  5. Step 5: Solve for x
    x = 724,163,225.67/31,048.66
  6. Step 6: Final answer
    x = 23,323.49

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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.