Home / 31,631.40-43,650.54-17,483.40

Finding the Fourth Proportional to 31,631.40, 43,650.54 and 17,483.40

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Solution

The fourth proportional to 31,631.40, 43,650.54 and 17,483.40 is: 24,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,631.40 : 43,650.54 = 17,483.40 : x
  2. Step 2: Convert to fraction form
    31,631.40/43,650.54 = 17,483.40/x
  3. Step 3: Cross multiply
    31,631.40x = 43,650.54 × 17,483.40
  4. Step 4: Simplify right side
    31,631.40x = 763,159,851.04
  5. Step 5: Solve for x
    x = 763,159,851.04/31,631.40
  6. Step 6: Final answer
    x = 24,126.65

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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.