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Finding the Fourth Proportional to 30,373.71, 45,560.97 and 10,652.84

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Solution

The fourth proportional to 30,373.71, 45,560.97 and 10,652.84 is: 15,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373.71 : 45,560.97 = 10,652.84 : x
  2. Step 2: Convert to fraction form
    30,373.71/45,560.97 = 10,652.84/x
  3. Step 3: Cross multiply
    30,373.71x = 45,560.97 × 10,652.84
  4. Step 4: Simplify right side
    30,373.71x = 485,353,670.39
  5. Step 5: Solve for x
    x = 485,353,670.39/30,373.71
  6. Step 6: Final answer
    x = 15,979.40

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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.