Home / 51,170.32-76,765.83-21,588.22

Finding the Fourth Proportional to 51,170.32, 76,765.83 and 21,588.22

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Solution

The fourth proportional to 51,170.32, 76,765.83 and 21,588.22 is: 32,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,170.32 : 76,765.83 = 21,588.22 : x
  2. Step 2: Convert to fraction form
    51,170.32/76,765.83 = 21,588.22/x
  3. Step 3: Cross multiply
    51,170.32x = 76,765.83 × 21,588.22
  4. Step 4: Simplify right side
    51,170.32x = 1,657,237,626.52
  5. Step 5: Solve for x
    x = 1,657,237,626.52/51,170.32
  6. Step 6: Final answer
    x = 32,386.70

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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.