Home / 30,335.48-45,472.40-11,610.72

Finding the Fourth Proportional to 30,335.48, 45,472.40 and 11,610.72

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Solution

The fourth proportional to 30,335.48, 45,472.40 and 11,610.72 is: 17,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.48 : 45,472.40 = 11,610.72 : x
  2. Step 2: Convert to fraction form
    30,335.48/45,472.40 = 11,610.72/x
  3. Step 3: Cross multiply
    30,335.48x = 45,472.40 × 11,610.72
  4. Step 4: Simplify right side
    30,335.48x = 527,967,304.13
  5. Step 5: Solve for x
    x = 527,967,304.13/30,335.48
  6. Step 6: Final answer
    x = 17,404.28

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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.