Home / 40,009.50-60,050.64-21,305.22

Finding the Fourth Proportional to 40,009.50, 60,050.64 and 21,305.22

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Solution

The fourth proportional to 40,009.50, 60,050.64 and 21,305.22 is: 31,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,009.50 : 60,050.64 = 21,305.22 : x
  2. Step 2: Convert to fraction form
    40,009.50/60,050.64 = 21,305.22/x
  3. Step 3: Cross multiply
    40,009.50x = 60,050.64 × 21,305.22
  4. Step 4: Simplify right side
    40,009.50x = 1,279,392,096.34
  5. Step 5: Solve for x
    x = 1,279,392,096.34/40,009.50
  6. Step 6: Final answer
    x = 31,977.21

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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.