Home / 30,086.73-45,134.42-10,359.99

Finding the Fourth Proportional to 30,086.73, 45,134.42 and 10,359.99

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Solution

The fourth proportional to 30,086.73, 45,134.42 and 10,359.99 is: 15,541.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.73 : 45,134.42 = 10,359.99 : x
  2. Step 2: Convert to fraction form
    30,086.73/45,134.42 = 10,359.99/x
  3. Step 3: Cross multiply
    30,086.73x = 45,134.42 × 10,359.99
  4. Step 4: Simplify right side
    30,086.73x = 467,592,088.06
  5. Step 5: Solve for x
    x = 467,592,088.06/30,086.73
  6. Step 6: Final answer
    x = 15,541.47

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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.