Home / 34,771.24-47,985.28-19,666.18

Finding the Fourth Proportional to 34,771.24, 47,985.28 and 19,666.18

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Solution

The fourth proportional to 34,771.24, 47,985.28 and 19,666.18 is: 27,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,771.24 : 47,985.28 = 19,666.18 : x
  2. Step 2: Convert to fraction form
    34,771.24/47,985.28 = 19,666.18/x
  3. Step 3: Cross multiply
    34,771.24x = 47,985.28 × 19,666.18
  4. Step 4: Simplify right side
    34,771.24x = 943,687,153.83
  5. Step 5: Solve for x
    x = 943,687,153.83/34,771.24
  6. Step 6: Final answer
    x = 27,139.88

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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.