Home / 47,964.29-66,195.65-28,850.21

Finding the Fourth Proportional to 47,964.29, 66,195.65 and 28,850.21

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Solution

The fourth proportional to 47,964.29, 66,195.65 and 28,850.21 is: 39,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,964.29 : 66,195.65 = 28,850.21 : x
  2. Step 2: Convert to fraction form
    47,964.29/66,195.65 = 28,850.21/x
  3. Step 3: Cross multiply
    47,964.29x = 66,195.65 × 28,850.21
  4. Step 4: Simplify right side
    47,964.29x = 1,909,758,259.34
  5. Step 5: Solve for x
    x = 1,909,758,259.34/47,964.29
  6. Step 6: Final answer
    x = 39,816.25

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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.