Home / 30,331.47-45,466.41-11,606.70

Finding the Fourth Proportional to 30,331.47, 45,466.41 and 11,606.70

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Solution

The fourth proportional to 30,331.47, 45,466.41 and 11,606.70 is: 17,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.47 : 45,466.41 = 11,606.70 : x
  2. Step 2: Convert to fraction form
    30,331.47/45,466.41 = 11,606.70/x
  3. Step 3: Cross multiply
    30,331.47x = 45,466.41 × 11,606.70
  4. Step 4: Simplify right side
    30,331.47x = 527,714,980.95
  5. Step 5: Solve for x
    x = 527,714,980.95/30,331.47
  6. Step 6: Final answer
    x = 17,398.27

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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.