Home / 47,802.05-71,638.47-18,203.73

Finding the Fourth Proportional to 47,802.05, 71,638.47 and 18,203.73

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Solution

The fourth proportional to 47,802.05, 71,638.47 and 18,203.73 is: 27,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,802.05 : 71,638.47 = 18,203.73 : x
  2. Step 2: Convert to fraction form
    47,802.05/71,638.47 = 18,203.73/x
  3. Step 3: Cross multiply
    47,802.05x = 71,638.47 × 18,203.73
  4. Step 4: Simplify right side
    47,802.05x = 1,304,087,365.49
  5. Step 5: Solve for x
    x = 1,304,087,365.49/47,802.05
  6. Step 6: Final answer
    x = 27,281.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.