Home / 30,620.55-45,856.71-15,588.21

Finding the Fourth Proportional to 30,620.55, 45,856.71 and 15,588.21

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Solution

The fourth proportional to 30,620.55, 45,856.71 and 15,588.21 is: 23,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.55 : 45,856.71 = 15,588.21 : x
  2. Step 2: Convert to fraction form
    30,620.55/45,856.71 = 15,588.21/x
  3. Step 3: Cross multiply
    30,620.55x = 45,856.71 × 15,588.21
  4. Step 4: Simplify right side
    30,620.55x = 714,824,025.39
  5. Step 5: Solve for x
    x = 714,824,025.39/30,620.55
  6. Step 6: Final answer
    x = 23,344.58

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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.