Home / 31,056.46-42,856.64-17,627.47

Finding the Fourth Proportional to 31,056.46, 42,856.64 and 17,627.47

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Solution

The fourth proportional to 31,056.46, 42,856.64 and 17,627.47 is: 24,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,056.46 : 42,856.64 = 17,627.47 : x
  2. Step 2: Convert to fraction form
    31,056.46/42,856.64 = 17,627.47/x
  3. Step 3: Cross multiply
    31,056.46x = 42,856.64 × 17,627.47
  4. Step 4: Simplify right side
    31,056.46x = 755,454,346.95
  5. Step 5: Solve for x
    x = 755,454,346.95/31,056.46
  6. Step 6: Final answer
    x = 24,325.19

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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.