Home / 37,515.12-51,772.72-21,602.08

Finding the Fourth Proportional to 37,515.12, 51,772.72 and 21,602.08

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Solution

The fourth proportional to 37,515.12, 51,772.72 and 21,602.08 is: 29,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,515.12 : 51,772.72 = 21,602.08 : x
  2. Step 2: Convert to fraction form
    37,515.12/51,772.72 = 21,602.08/x
  3. Step 3: Cross multiply
    37,515.12x = 51,772.72 × 21,602.08
  4. Step 4: Simplify right side
    37,515.12x = 1,118,398,439.26
  5. Step 5: Solve for x
    x = 1,118,398,439.26/37,515.12
  6. Step 6: Final answer
    x = 29,811.94

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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.