Home / 47,992.52-66,238.26-31,017.80

Finding the Fourth Proportional to 47,992.52, 66,238.26 and 31,017.80

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Solution

The fourth proportional to 47,992.52, 66,238.26 and 31,017.80 is: 42,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,992.52 : 66,238.26 = 31,017.80 : x
  2. Step 2: Convert to fraction form
    47,992.52/66,238.26 = 31,017.80/x
  3. Step 3: Cross multiply
    47,992.52x = 66,238.26 × 31,017.80
  4. Step 4: Simplify right side
    47,992.52x = 2,054,565,101.03
  5. Step 5: Solve for x
    x = 2,054,565,101.03/47,992.52
  6. Step 6: Final answer
    x = 42,810.11

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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.