Home / 37,409.47-51,623.72-20,642.11

Finding the Fourth Proportional to 37,409.47, 51,623.72 and 20,642.11

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Solution

The fourth proportional to 37,409.47, 51,623.72 and 20,642.11 is: 28,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,409.47 : 51,623.72 = 20,642.11 : x
  2. Step 2: Convert to fraction form
    37,409.47/51,623.72 = 20,642.11/x
  3. Step 3: Cross multiply
    37,409.47x = 51,623.72 × 20,642.11
  4. Step 4: Simplify right side
    37,409.47x = 1,065,622,403.64
  5. Step 5: Solve for x
    x = 1,065,622,403.64/37,409.47
  6. Step 6: Final answer
    x = 28,485.36

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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.