Home / 31,060.36-42,866.89-17,630.36

Finding the Fourth Proportional to 31,060.36, 42,866.89 and 17,630.36

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Solution

The fourth proportional to 31,060.36, 42,866.89 and 17,630.36 is: 24,331.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,060.36 : 42,866.89 = 17,630.36 : x
  2. Step 2: Convert to fraction form
    31,060.36/42,866.89 = 17,630.36/x
  3. Step 3: Cross multiply
    31,060.36x = 42,866.89 × 17,630.36
  4. Step 4: Simplify right side
    31,060.36x = 755,758,605.12
  5. Step 5: Solve for x
    x = 755,758,605.12/31,060.36
  6. Step 6: Final answer
    x = 24,331.93

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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.