Home / 48,026.18-66,311.25-31,040.48

Finding the Fourth Proportional to 48,026.18, 66,311.25 and 31,040.48

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Solution

The fourth proportional to 48,026.18, 66,311.25 and 31,040.48 is: 42,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,026.18 : 66,311.25 = 31,040.48 : x
  2. Step 2: Convert to fraction form
    48,026.18/66,311.25 = 31,040.48/x
  3. Step 3: Cross multiply
    48,026.18x = 66,311.25 × 31,040.48
  4. Step 4: Simplify right side
    48,026.18x = 2,058,333,029.40
  5. Step 5: Solve for x
    x = 2,058,333,029.40/48,026.18
  6. Step 6: Final answer
    x = 42,858.56

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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.