Home / 30,621.73-45,938.81-9,560.92

Finding the Fourth Proportional to 30,621.73, 45,938.81 and 9,560.92

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Solution

The fourth proportional to 30,621.73, 45,938.81 and 9,560.92 is: 14,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.73 : 45,938.81 = 9,560.92 : x
  2. Step 2: Convert to fraction form
    30,621.73/45,938.81 = 9,560.92/x
  3. Step 3: Cross multiply
    30,621.73x = 45,938.81 × 9,560.92
  4. Step 4: Simplify right side
    30,621.73x = 439,217,287.31
  5. Step 5: Solve for x
    x = 439,217,287.31/30,621.73
  6. Step 6: Final answer
    x = 14,343.32

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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.