Home / 51,058.60-76,590.30-15,999.40

Finding the Fourth Proportional to 51,058.60, 76,590.30 and 15,999.40

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Solution

The fourth proportional to 51,058.60, 76,590.30 and 15,999.40 is: 23,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,058.60 : 76,590.30 = 15,999.40 : x
  2. Step 2: Convert to fraction form
    51,058.60/76,590.30 = 15,999.40/x
  3. Step 3: Cross multiply
    51,058.60x = 76,590.30 × 15,999.40
  4. Step 4: Simplify right side
    51,058.60x = 1,225,398,845.82
  5. Step 5: Solve for x
    x = 1,225,398,845.82/51,058.60
  6. Step 6: Final answer
    x = 23,999.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.