Home / 37,415.03-51,630.67-21,280.16

Finding the Fourth Proportional to 37,415.03, 51,630.67 and 21,280.16

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Solution

The fourth proportional to 37,415.03, 51,630.67 and 21,280.16 is: 29,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,415.03 : 51,630.67 = 21,280.16 : x
  2. Step 2: Convert to fraction form
    37,415.03/51,630.67 = 21,280.16/x
  3. Step 3: Cross multiply
    37,415.03x = 51,630.67 × 21,280.16
  4. Step 4: Simplify right side
    37,415.03x = 1,098,708,918.51
  5. Step 5: Solve for x
    x = 1,098,708,918.51/37,415.03
  6. Step 6: Final answer
    x = 29,365.44

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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.