Home / 37,415.93-51,642.81-21,509.60

Finding the Fourth Proportional to 37,415.93, 51,642.81 and 21,509.60

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Solution

The fourth proportional to 37,415.93, 51,642.81 and 21,509.60 is: 29,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,415.93 : 51,642.81 = 21,509.60 : x
  2. Step 2: Convert to fraction form
    37,415.93/51,642.81 = 21,509.60/x
  3. Step 3: Cross multiply
    37,415.93x = 51,642.81 × 21,509.60
  4. Step 4: Simplify right side
    37,415.93x = 1,110,816,185.98
  5. Step 5: Solve for x
    x = 1,110,816,185.98/37,415.93
  6. Step 6: Final answer
    x = 29,688.32

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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.