Home / 30,536.64-42,132.60-17,612.73

Finding the Fourth Proportional to 30,536.64, 42,132.60 and 17,612.73

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Solution

The fourth proportional to 30,536.64, 42,132.60 and 17,612.73 is: 24,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,536.64 : 42,132.60 = 17,612.73 : x
  2. Step 2: Convert to fraction form
    30,536.64/42,132.60 = 17,612.73/x
  3. Step 3: Cross multiply
    30,536.64x = 42,132.60 × 17,612.73
  4. Step 4: Simplify right side
    30,536.64x = 742,070,108.00
  5. Step 5: Solve for x
    x = 742,070,108.00/30,536.64
  6. Step 6: Final answer
    x = 24,300.97

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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.