Home / 51,529.33-71,116.77-31,389.18

Finding the Fourth Proportional to 51,529.33, 71,116.77 and 31,389.18

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Solution

The fourth proportional to 51,529.33, 71,116.77 and 31,389.18 is: 43,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,529.33 : 71,116.77 = 31,389.18 : x
  2. Step 2: Convert to fraction form
    51,529.33/71,116.77 = 31,389.18/x
  3. Step 3: Cross multiply
    51,529.33x = 71,116.77 × 31,389.18
  4. Step 4: Simplify right side
    51,529.33x = 2,232,297,094.55
  5. Step 5: Solve for x
    x = 2,232,297,094.55/51,529.33
  6. Step 6: Final answer
    x = 43,320.90

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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.