Home / 37,810.96-52,185.60-21,905.20

Finding the Fourth Proportional to 37,810.96, 52,185.60 and 21,905.20

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Solution

The fourth proportional to 37,810.96, 52,185.60 and 21,905.20 is: 30,232.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,810.96 : 52,185.60 = 21,905.20 : x
  2. Step 2: Convert to fraction form
    37,810.96/52,185.60 = 21,905.20/x
  3. Step 3: Cross multiply
    37,810.96x = 52,185.60 × 21,905.20
  4. Step 4: Simplify right side
    37,810.96x = 1,143,136,005.12
  5. Step 5: Solve for x
    x = 1,143,136,005.12/37,810.96
  6. Step 6: Final answer
    x = 30,232.93

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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.