Home / 51,009.12-70,392.60-29,788.56

Finding the Fourth Proportional to 51,009.12, 70,392.60 and 29,788.56

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Solution

The fourth proportional to 51,009.12, 70,392.60 and 29,788.56 is: 41,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009.12 : 70,392.60 = 29,788.56 : x
  2. Step 2: Convert to fraction form
    51,009.12/70,392.60 = 29,788.56/x
  3. Step 3: Cross multiply
    51,009.12x = 70,392.60 × 29,788.56
  4. Step 4: Simplify right side
    51,009.12x = 2,096,894,188.66
  5. Step 5: Solve for x
    x = 2,096,894,188.66/51,009.12
  6. Step 6: Final answer
    x = 41,108.22

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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.