Home / 47,028.79-70,542.27-11,490.34

Finding the Fourth Proportional to 47,028.79, 70,542.27 and 11,490.34

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Solution

The fourth proportional to 47,028.79, 70,542.27 and 11,490.34 is: 17,235.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,028.79 : 70,542.27 = 11,490.34 : x
  2. Step 2: Convert to fraction form
    47,028.79/70,542.27 = 11,490.34/x
  3. Step 3: Cross multiply
    47,028.79x = 70,542.27 × 11,490.34
  4. Step 4: Simplify right side
    47,028.79x = 810,554,666.67
  5. Step 5: Solve for x
    x = 810,554,666.67/47,028.79
  6. Step 6: Final answer
    x = 17,235.29

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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.