Home / 31,048.36-42,846.90-16,901.32

Finding the Fourth Proportional to 31,048.36, 42,846.90 and 16,901.32

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Solution

The fourth proportional to 31,048.36, 42,846.90 and 16,901.32 is: 23,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.36 : 42,846.90 = 16,901.32 : x
  2. Step 2: Convert to fraction form
    31,048.36/42,846.90 = 16,901.32/x
  3. Step 3: Cross multiply
    31,048.36x = 42,846.90 × 16,901.32
  4. Step 4: Simplify right side
    31,048.36x = 724,169,167.91
  5. Step 5: Solve for x
    x = 724,169,167.91/31,048.36
  6. Step 6: Final answer
    x = 23,323.91

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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.